APA ציטוט

(1939). The practical code for the design and installation of mechanical warm air heating systems: Applicable only to the average small installation. January 1, 1939.

Chicago Style (17th ed.) Citation

The Practical Code for the Design and Installation of Mechanical Warm Air Heating Systems: Applicable Only to the Average Small Installation. January 1, 1939. 1939.

ציטוט MLA

The Practical Code for the Design and Installation of Mechanical Warm Air Heating Systems: Applicable Only to the Average Small Installation. January 1, 1939. 1939.