APA引文

P. Ramakrishnan. (1990). A Comparison On The Semen Characteristics And Extenders For Freezing Semen Of The Swamp, River And Crossbred Buffalo (Bubalus Bubalis).

Chicago Style Citation

P. Ramakrishnan. A Comparison On The Semen Characteristics And Extenders For Freezing Semen Of The Swamp, River And Crossbred Buffalo (Bubalus Bubalis). 1990.

MLA引文

P. Ramakrishnan. A Comparison On The Semen Characteristics And Extenders For Freezing Semen Of The Swamp, River And Crossbred Buffalo (Bubalus Bubalis). 1990.

警告：这些引文格式不一定是100％准确.