Dyfyniad APA

Sharma, C. (2006). Reference service and sources. Atlantic.

Dyfyniad Arddull Chicago

Sharma, C.K. Reference Service and Sources. New Delhi: Atlantic, 2006.

Dyfyniad MLA

Sharma, C.K. Reference Service and Sources. Atlantic, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.