George, R. A. T. (1985). Vegetable seed production. Longman.
Chicago Style (17th ed.) CitationGeorge, Raymond A. T. Vegetable Seed Production. London ; New York: Longman, 1985.
MLA引文George, Raymond A. T. Vegetable Seed Production. Longman, 1985.
警告:這些引文格式不一定是100%准確.