Παραπομπή APA

Ross , R. .. D. (1972). Air pollution and industry. Van nostrand reinhod company.

Παραπομπή Chicago Style

Ross , R . D. Air Pollution and Industry. New York: Van nostrand reinhod company, 1972.

Παραπομπή MLA

Ross , R . D. Air Pollution and Industry. Van nostrand reinhod company, 1972.