Clue: Reference abbr.

Answer: 2 possible answers to Reference abbr.. From 4 to 5 leters.

Reference abbr. answers with 4 characters:

• ETAL

Reference abbr. answers with 5 characters:

• ETSEQ

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Similar Clues:

• Reference work: Abbr. (e.g. ENC with 3 letters)
• Reference list abbr. (ETAL with 4 letters)
• Reference book abbr. (e.g. ETSEQ with 5 letters)
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• It's often referenced in BBC news reports: Abbr. (GMT with 3 letters)
• Scholar's reference abbr. (IBID with 4 letters)
• Reference book: Abbr. (OED with 3 letters)
• Huge reference: Abbr. (OED with 3 letters)
• Hefty reference: Abbr. (OED with 3 letters)
• Reference works: Abbr. (OEDS with 4 letters)