APA (7e ed.) Bronvermelding

Hansen, H. J. (1948). Timber engineers' handbook. J. Wiley.

Chicago (17e ed.) Bronvermelding

Hansen, Howard James. Timber Engineers' Handbook. New York: J. Wiley, 1948.

MLA (8e ed.) Bronvermelding

Hansen, Howard James. Timber Engineers' Handbook. J. Wiley, 1948.