Citace podle APA (7th ed.)

Ishaq, F., & Khan, A. (2013). Approaches to environmental science (First edition.). Discovery Publishing House.

Citace podle Chicago (17th ed.)

Ishaq, Fouzia, a Amir Khan. Approaches to Environmental Science. First edition. New Delhi, India: Discovery Publishing House, 2013.

Citace podle MLA (9th ed.)

Ishaq, Fouzia, a Amir Khan. Approaches to Environmental Science. First edition. Discovery Publishing House, 2013.

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