Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.