Bajpai S R)_. (1980). Reference services. Vikas pub.
Chicago Edition CitationBajpai S R)_. Reference Services. Vikas pub, 1980.
MLA引文Bajpai S R)_. Reference Services. Vikas pub, 1980.
警告：這些引文格式不一定是100％准確.
APA引文
Bajpai S R)_. (1980). Reference services. Vikas pub.
Chicago Edition CitationBajpai S R)_. Reference Services. Vikas pub, 1980.
MLA引文Bajpai S R)_. Reference Services. Vikas pub, 1980.