APA استشهاد

Gustafson, A. F. (2003). Handbook of fertilizers: Their source, make-up, effect and use. Agrobios (India).

استشهاد بنمط شيكاغو

Gustafson, A. F. Handbook of Fertilizers: Their Source, Make-up, Effect and Use. Jodhour: Agrobios (India), 2003.

MLA استشهاد

Gustafson, A. F. Handbook of Fertilizers: Their Source, Make-up, Effect and Use. Agrobios (India), 2003.