Tohutoro APA (7th ed.)

Allard, R. W. (1960). Principles of plant breeding. John Wiley.

Tohutoru Kātū Chicago (17th ed.)

Allard, R. W. Principles of Plant Breeding. Nueva York: John Wiley, 1960.

Tohutoro MLA (9th ed.)

Allard, R. W. Principles of Plant Breeding. John Wiley, 1960.