APA (7e ed.) Bronvermelding

PUFFETT, R. (1986). Plumbing Services Volume 3, Gas Fitting Rj Puffett, Lj. Hossack. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

PUFFETT, RJ. Plumbing Services Volume 3, Gas Fitting Rj Puffett, Lj. Hossack. McGraw-Hill, 1986.

MLA (8e ed.) Bronvermelding

PUFFETT, RJ. Plumbing Services Volume 3, Gas Fitting Rj Puffett, Lj. Hossack. McGraw-Hill, 1986.

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