APA (7e ed.) Bronvermelding

Greulach, V. A. (1973). Plant function and structure. Macmillan.

Chicago (17e ed.) Bronvermelding

Greulach, Victor A. Plant Function and Structure. New York: Macmillan, 1973.

MLA (9e ed.) Bronvermelding

Greulach, Victor A. Plant Function and Structure. Macmillan, 1973.