George, R. A. T. (1999). Vegetable seed production. (2nd ed.). C.B.I..
Chicago Style (17th ed.) CitationGeorge, Raymond A. T. Vegetable Seed Production. 2nd ed. New York: C.B.I., 1999.
MLA (9th ed.) CitationGeorge, Raymond A. T. Vegetable Seed Production. 2nd ed. C.B.I., 1999.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.