Παραπομπή APA

Pearson, . L. C. (1967). Principles of agronomy. Affiliated East West Press Pvt Ltd.

Παραπομπή Chicago Style

Pearson, Lorentz C. Principles of Agronomy. Newdelhi: Affiliated East West Press Pvt Ltd, 1967.

Παραπομπή MLA

Pearson, Lorentz C. Principles of Agronomy. Affiliated East West Press Pvt Ltd, 1967.