PUFFETT, R. (1990). Plumbing services volume 2, waste disposal, roof plumbing 2nd ed. McGraw Hill.
Chicagoスタイル(17版)引用形式PUFFETT, RJ. Plumbing Services Volume 2, Waste Disposal, Roof Plumbing 2nd Ed. McGraw Hill, 1990.
MLA(8版)引用形式PUFFETT, RJ. Plumbing Services Volume 2, Waste Disposal, Roof Plumbing 2nd Ed. McGraw Hill, 1990.
警告: この引用は必ずしも正確ではありません.