Dyfyniad APA

REAY, D., & MACMICHAEL, D. (1979). Heat pumps: Design and applications. Pergamon.

Dyfyniad Arddull Chicago

REAY, D.A, and D.B.A MACMICHAEL. Heat Pumps: Design and Applications. Oxford: Pergamon, 1979.

Dyfyniad MLA

REAY, D.A, and D.B.A MACMICHAEL. Heat Pumps: Design and Applications. Pergamon, 1979.

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