Chapman, S. R., & Carter, L. P. (1976). Crop production: Principles and practices. National Book Store.
Cita Chicago (17th ed.)Chapman, Stephen R., i Lark P. Carter. Crop Production: Principles and Practices. Manila: National Book Store, 1976.
Cita MLA (9th ed.)Chapman, Stephen R., i Lark P. Carter. Crop Production: Principles and Practices. National Book Store, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.