Gaya APA

Engineers), A, (, A, S, O, M. (2017). Air Heaters (ASME PTC 4.3-2017, Revision of ASME PTC 4.3-1968(R1991)) . New York: ASME (The American Society of Mechanical Engineers).

Gaya MLA

Engineers), ASME, (The, American, Society, Of, Mechanical. "Air Heaters (ASME PTC 4.3-2017, Revision of ASME PTC 4.3-1968(R1991))". New York: ASME (The American Society of Mechanical Engineers), 2017. Text.