APA引文

Ravivarma,TR. (1986). Vazhakrishi. Kerala Agricultural University.

Chicago Edition Citation

Ravivarma,TR. Vazhakrishi. Thrissur: Kerala Agricultural University, 1986.

MLA引文

Ravivarma,TR. Vazhakrishi. Kerala Agricultural University, 1986.

警告：这些引文格式不一定是100％准确.