Gaya APA

Agronomy, A, S, O. (1976). Handbook and Style Manual: For ASA, CSSA, and Publications . Amerika: American Society Of Agronomy.

Gaya MLA

Agronomy, American, Society, Of. "Handbook and Style Manual: For ASA, CSSA, and Publications". Amerika: American Society Of Agronomy, 1976. Text.