APA način citiranja

(1996). Roots and nitrogen in cropping systems of the Semi- Arid tropics. Tsukuba, Ibaraki, Japan: Japan International Research Center for Agricultural Sciences.

Čikaški stil citiranja

Roots and Nitrogen in Cropping Systems of the Semi- Arid Tropics. Tsukuba, Ibaraki, Japan: Japan International Research Center for Agricultural Sciences, 1996.

MLA način citiranja

Roots and Nitrogen in Cropping Systems of the Semi- Arid Tropics. Tsukuba, Ibaraki, Japan: Japan International Research Center for Agricultural Sciences, 1996.