Tohutoro APA (7th ed.)

(2003). Soil fertility and fertilizer.: Samuel L. Tisdale.....[et al.] (5th ed.). Prentice hall.

Tohutoru Kātū Chicago (17th ed.)

Soil Fertility and Fertilizer.: Samuel L. Tisdale.....[et Al.]. 5th ed. New Delhi: Prentice hall, 2003.

Tohutoro MLA (9th ed.)

Soil Fertility and Fertilizer.: Samuel L. Tisdale.....[et Al.]. 5th ed. Prentice hall, 2003.