Gaya APA

Curtis, O, F., Clark, D, G. (1950). An Introduction To Plant Physiology . New York, Toronto, London: McGraw-Hill Book Company, Inc.

Gaya MLA

Curtis, Otis, F.., Clark, Daniel, G.. "An Introduction To Plant Physiology". New York, Toronto, London: McGraw-Hill Book Company, Inc, 1950. Buku.