APA引文

Sharma, A. (1976). Mechanisation of Punjab agriculture. Eurasia.

Chicago Edition Citation

Sharma, A.C. Mechanisation of Punjab Agriculture. New Delhi: Eurasia, 1976.

MLA引文

Sharma, A.C. Mechanisation of Punjab Agriculture. Eurasia, 1976.

警告：這些引文格式不一定是100％准確.