APA-viite (7. p.)

PUFFETT, R. (1991). Plumbing Services Mechanical Services Air Conditioning Rj Puffett, Lj. Hossack. McGraw-Hill.

Chicago-viite (17. p.)

PUFFETT, RJ. Plumbing Services Mechanical Services Air Conditioning Rj Puffett, Lj. Hossack. McGraw-Hill, 1991.

MLA-viite (8. p.)

PUFFETT, RJ. Plumbing Services Mechanical Services Air Conditioning Rj Puffett, Lj. Hossack. McGraw-Hill, 1991.