APA引文

PN Kalla. (2006). Communication skills for extension workers. Agrotech publishing academy.

Chicago Edition Citation

PN Kalla. Communication Skills for Extension Workers. Udaipur: Agrotech publishing academy, 2006.

MLA引文

PN Kalla. Communication Skills for Extension Workers. Agrotech publishing academy, 2006.

警告：這些引文格式不一定是100％准確.