APA aipamena

Porges, J., & Porges, F. (1976). Handbook of heating, ventilating and air conditioning: Ready-reference tables and data (7th edition.). Newnes-Butterworths.

Chicago Style aipamena

Porges, John, and F. Porges. Handbook of Heating, Ventilating and Air Conditioning: Ready-reference Tables and Data. 7th edition. London: Newnes-Butterworths, 1976.

MLA aipamena

Porges, John, and F. Porges. Handbook of Heating, Ventilating and Air Conditioning: Ready-reference Tables and Data. 7th edition. Newnes-Butterworths, 1976.