Dyfyniad APA

(1985). Ashrea HandBook: 1985 Fundamentals (S.I Edition.). American Society Of Heating, Refrigerating and Air-Conditioning.

Dyfyniad Arddull Chicago

Ashrea HandBook: 1985 Fundamentals. S.I Edition. Atlanta: American Society Of Heating, Refrigerating and Air-Conditioning, 1985.

Dyfyniad MLA

Ashrea HandBook: 1985 Fundamentals. S.I Edition. American Society Of Heating, Refrigerating and Air-Conditioning, 1985.

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