Παραπομπή APA

Donahue, R. L. (1958). Soils: An introduction to soils and plant growth. Englewood Cliffs, N.J: Prentice-Hall.

Παραπομπή Chicago Style

Donahue, Roy Luther. Soils: An Introduction to Soils and Plant Growth. Englewood Cliffs, N.J: Prentice-Hall, 1958.

Παραπομπή MLA

Donahue, Roy Luther. Soils: An Introduction to Soils and Plant Growth. Englewood Cliffs, N.J: Prentice-Hall, 1958.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.