APA (7e ed.) Bronvermelding

SWAN, G. (1967). An introduction to the alkaloids. Black well Scientific.

Chicago (17e ed.) Bronvermelding

SWAN, G.A. An Introduction to the Alkaloids. Oxford: Black well Scientific, 1967.

MLA (9e ed.) Bronvermelding

SWAN, G.A. An Introduction to the Alkaloids. Black well Scientific, 1967.