APA način citiranja

Open Universityenvironmental Control And Public Health Cour & Open University, E. (1975). Air pollution Units 13 and 14 unit 15: Air Pollution control. Open Uty Press.

Čikaški stil citiranja

Open Universityenvironmental Control And Public Health Cour i Environmental Open University. Air Pollution Units 13 and 14 Unit 15: Air Pollution Control. Open Uty Press, 1975.

MLA način citiranja

Open Universityenvironmental Control And Public Health Cour i Environmental Open University. Air Pollution Units 13 and 14 Unit 15: Air Pollution Control. Open Uty Press, 1975.