Παραπομπή APA

Aldrich, S. R., & Worthen, E. L. (1956). Farm soils: Their fertilization and management (5.). John Wiley & Sons INC.

Παραπομπή Chicago Style

Aldrich, Samuel R., και Edmund L. Worthen. Farm Soils: Their Fertilization and Management. 5. NewYork: John Wiley & Sons INC, 1956.

Παραπομπή MLA

Aldrich, Samuel R., και Edmund L. Worthen. Farm Soils: Their Fertilization and Management. 5. John Wiley & Sons INC, 1956.