APA ציטוט

Fouzia Ishaq & Khan, A. (2014). Encyclopedia of environmental science. Discovery Publishing House.

Chicago Edition Citation

Fouzia Ishaq and Amir Khan. Encyclopedia of Environmental Science. New Delhi: Discovery Publishing House, 2014.

ציטוט MLA

Fouzia Ishaq and Amir Khan. Encyclopedia of Environmental Science. Discovery Publishing House, 2014.