Dyfyniad APA

Fred Hall. (1994). Plumbing: Hot water supply and heating systems. London: Longman.

Dyfyniad Arddull Chicago

Fred Hall. Plumbing: Hot Water Supply and Heating Systems. London: Longman, 1994.

Dyfyniad MLA

Fred Hall. Plumbing: Hot Water Supply and Heating Systems. London: Longman, 1994.

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