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Ref. Abbreviation and Punctuation

Ref/ref. is a documented business abbreviation for reference. Cambridge also records an unrelated informal “ref” for referee, so context matters.

ReviewedEvidence1 sourceSectionWriting & Style
Quick answer

In business writing, “ref” or “ref.” can abbreviate “reference.” Use the form required by your document or house style and keep it consistent.

Key details

Core IssueIn Business English, ref/ref. is a written abbreviation for “reference,” especially in document and correspondence reference identifiers.
Phrase Rolebusiness-reference abbreviation
Registerbusiness correspondence and document formatting

Important caveats

Punctuation Boundary

Because both ref and ref. are documented, the period is a style choice rather than a universal grammar requirement.

Scope Boundary

This guide covers the business abbreviation for reference; informal “ref” meaning referee is a separate lexical sense.

Further guidance

Meaning

Cambridge Business English records “ref” and “ref.” as written abbreviations for “reference.”

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Ref — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Business English ref/ref. as written abbreviation for reference

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