APA aipamena

Henrry T Northen. (1956). The complete book of greenhouse gardening. New York: Ronald Press.

Chicago Style aipamena

Henrry T Northen. The Complete Book of Greenhouse Gardening. New York: Ronald Press, 1956.

MLA aipamena

Henrry T Northen. The Complete Book of Greenhouse Gardening. New York: Ronald Press, 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.