Gaya APA

NORSTOG, Knut. (1976). Plant Biology . London: W.B. Sauders Company.

Gaya Chicago

NORSTOG, Knut. Plant Biology. London: W.B. Sauders Company, 1976. Teks.

Gaya MLA

NORSTOG, Knut. Plant Biology. London: W.B. Sauders Company, 1976. Teks.

Gaya Turabian

NORSTOG, Knut. Plant Biology. London: W.B. Sauders Company, 1976. Teks.