APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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