Παραπομπή APA

Porges, J. (1976). Handbook of heating, ventilating and air conditioning. Newnes - butterworths.

Παραπομπή Chicago Style

Porges, John. Handbook of Heating, Ventilating and Air Conditioning. London: Newnes - butterworths, 1976.

Παραπομπή MLA

Porges, John. Handbook of Heating, Ventilating and Air Conditioning. Newnes - butterworths, 1976.