Porges, J., & Porges, F. (1976). Handbook of heating, ventilating and air conditioning : ready- reference tables and data / (by) John Porges: Ready- reference tables and data (7th ed.). Newnes-Butterworths.
Chicago Style (17th ed.) CitationPorges, John, and F. Porges. Handbook of Heating, Ventilating and Air Conditioning : Ready- Reference Tables and Data / (by) John Porges: Ready- Reference Tables and Data. 7th ed. London: Newnes-Butterworths, 1976.
MLA (9th ed.) CitationPorges, John, and F. Porges. Handbook of Heating, Ventilating and Air Conditioning : Ready- Reference Tables and Data / (by) John Porges: Ready- Reference Tables and Data. 7th ed. Newnes-Butterworths, 1976.
Warning: These citations may not always be 100% accurate.