Cita APA (7th ed.)

Day Richard & Clark, H. (1974). The home owner handbook of plumbing and heating. Bounty Books.

Cita Chicago (17th ed.)

Day Richard i Henry Clark. The Home Owner Handbook of Plumbing and Heating. New York: Bounty Books, 1974.

Cita MLA (9th ed.)

Day Richard i Henry Clark. The Home Owner Handbook of Plumbing and Heating. Bounty Books, 1974.