Dyfyniad APA

Ballaney, P. (1983). Refrigeration and air conditioning. kang publishers.

Dyfyniad Arddull Chicago

Ballaney, P.L. Refrigeration and Air Conditioning. delhi: kang publishers, 1983.

Dyfyniad MLA

Ballaney, P.L. Refrigeration and Air Conditioning. kang publishers, 1983.

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