APA ציטוט

Arora, R. (1999). Air pollution: Causes and effective control. Mangal Deep.

Chicago Edition Citation

Arora, R.K. Air Pollution: Causes and Effective Control. Jaipur: Mangal Deep, 1999.

ציטוט MLA

Arora, R.K. Air Pollution: Causes and Effective Control. Mangal Deep, 1999.