APA (7e ed.) Bronvermelding

Williams, J. N. (1960). Boiler house practice (3rd rev. ed.). George Allen & Unwin.

Chicago (17e ed.) Bronvermelding

Williams, J. N. Boiler House Practice. 3rd rev. ed. London: George Allen & Unwin, 1960.

MLA (8e ed.) Bronvermelding

Williams, J. N. Boiler House Practice. 3rd rev. ed. George Allen & Unwin, 1960.