Tohutoro APA (7th ed.)

George, R. A. T. (1999). Vegetable seed production (2a. ed.). CABI.

Tohutoru Kātū Chicago (17th ed.)

George, Raymond A. T. Vegetable Seed Production. 2a. ed. Nueva York: CABI, 1999.

Tohutoro MLA (9th ed.)

George, Raymond A. T. Vegetable Seed Production. 2a. ed. CABI, 1999.