APA citiranje

(1981). Seed technology conference: Proceedings of the fourth annual 1981. Iowa: Seed Science Center, Iowa State University.

Trích dẫn kiểu Chicago

Seed Technology Conference: Proceedings of the Fourth Annual 1981. Iowa: Seed Science Center, Iowa State University, 1981.

MLA citiranje

Seed Technology Conference: Proceedings of the Fourth Annual 1981. Iowa: Seed Science Center, Iowa State University, 1981.

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