APA استشهاد

Crawfprd.Martin. (1976). Air Pollution Control Theory. McGraw-Hill.

استشهاد بنمط شيكاغو

Crawfprd.Martin. Air Pollution Control Theory. New York: McGraw-Hill, 1976.

MLA استشهاد

Crawfprd.Martin. Air Pollution Control Theory. McGraw-Hill, 1976.