APA-viite

Wahid, P. A., Nair,R R, & Salam ,M A. (1993). Farmers primer on coconut cultivation. Kerala Agricultural University.

Chicago-tyylinen lähdeviittaus

Wahid, P A., Nair,R R, ja Salam ,M A. Farmers Primer on Coconut Cultivation. Thrissur: Kerala Agricultural University, 1993.

MLA-viite

Wahid, P A., et al. Farmers Primer on Coconut Cultivation. Kerala Agricultural University, 1993.