Cita APA

Hey, N. E. (1987). Natural Gas Applications for Air Pollution Control. The Fairmont.

Chicago Edition Citation

Hey, Nelson. E. Natural Gas Applications for Air Pollution Control. Lilburn: The Fairmont, 1987.

Cita MLA

Hey, Nelson. E. Natural Gas Applications for Air Pollution Control. The Fairmont, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.