Cita APA (7a ed.)
Chowdhury, G. (2004). Digital reference service. Emerald Group.
Cita Chicago Style (17a ed.)
Chowdhury, Gobinda. Digital Reference Service. Bradford, England: Emerald Group, 2004.
Cita MLA (9a ed.)
Chowdhury, Gobinda. Digital Reference Service. Emerald Group, 2004.
Precaución: Estas citas no son 100% exactas.