Day Richard & Clark, H. (1974). The home owner handbook of plumbing and heating. Bounty Books.
Citazione stile Chigago Style (17a edizione)Day Richard e Henry Clark. The Home Owner Handbook of Plumbing and Heating. New York: Bounty Books, 1974.
Citatione MLA (9a ed.)Day Richard e Henry Clark. The Home Owner Handbook of Plumbing and Heating. Bounty Books, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.