APA (7e ed.) Bronvermelding

Walters, W. T. (1939). Steam and hot water fitting. American technical society.

Chicago (17e ed.) Bronvermelding

Walters, William Thomas. Steam and Hot Water Fitting. Chicago,: American technical society, 1939.

MLA (8e ed.) Bronvermelding

Walters, William Thomas. Steam and Hot Water Fitting. American technical society, 1939.

Let op: Deze citaties zijn niet altijd 100% accuraat.