Παραπομπή APA

Long, R. W., & Norstog, K. (1976). Plant biology: A laboratory manual for elementary botany. Philadelphia: W.B.Saunders Company.

Παραπομπή Chicago Style

Long, Robert W., and Knut Norstog. Plant Biology: A Laboratory Manual for Elementary Botany. Philadelphia: W.B.Saunders Company, 1976.

Παραπομπή MLA

Long, Robert W., and Knut Norstog. Plant Biology: A Laboratory Manual for Elementary Botany. Philadelphia: W.B.Saunders Company, 1976.

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