Tohutoro APA (7th ed.)

Gustafson, A. (1997). Hand book of fertilizers: Their sources, makeup, effects and use. ABP.

Tohutoru Kātū Chicago (17th ed.)

Gustafson, A.F. Hand Book of Fertilizers: Their Sources, Makeup, Effects and Use. New Delhi: ABP, 1997.

Tohutoro MLA (9th ed.)

Gustafson, A.F. Hand Book of Fertilizers: Their Sources, Makeup, Effects and Use. ABP, 1997.