Dyfyniad APA

(1954). The Journal of plumbing, heating, air conditioning contractors. [Scott-Choate Pub. Co.].

Dyfyniad Arddull Chicago

The Journal of Plumbing, Heating, Air Conditioning Contractors. [Tarrytown, N.Y.]: [Scott-Choate Pub. Co.], 1954.

Dyfyniad MLA

The Journal of Plumbing, Heating, Air Conditioning Contractors. [Scott-Choate Pub. Co.], 1954.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.