APA (7. basım) Alıntı

(1939). The standard gravity code for the design and installation of gravity war air heating systems.

Chicago Style (17. basım) Atıf

The Standard Gravity Code for the Design and Installation of Gravity War Air Heating Systems. 1939.

MLA (9th ed.) Atıf

The Standard Gravity Code for the Design and Installation of Gravity War Air Heating Systems. 1939.