APA引文

Gopalakrishnan tr & Alexander d. (2013). Crop varities of kau. Directorate of research.

Chicago Edition Citation

Gopalakrishnan tr and Alexander d. Crop Varities of Kau. Vellanikkara: Directorate of research, 2013.

MLA引文

Gopalakrishnan tr and Alexander d. Crop Varities of Kau. Directorate of research, 2013.

警告：這些引文格式不一定是100％准確.