Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Chowdhury, G. (2004). Digital reference service. Emerald Group.
Chicago Style (17th ed.) Zitazioa
Chowdhury, Gobinda. Digital Reference Service. Bradford, England: Emerald Group, 2004.
MLA (9th ed.) Zitazioa
Chowdhury, Gobinda. Digital Reference Service. Emerald Group, 2004.
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