APA ציטוט

Shilpa Shyam & Verma, H. B. (2006). Air pollution and its impact on plant growth. New India Publishing Agency.

Chicago Edition Citation

Shilpa Shyam and H.N. Bhargava Verma. Air Pollution and Its Impact on Plant Growth. New Delhi: New India Publishing Agency, 2006.

ציטוט MLA

Shilpa Shyam and H.N. Bhargava Verma. Air Pollution and Its Impact on Plant Growth. New India Publishing Agency, 2006.