APA استشهاد

Arvind Kumar. (1999). Modern trends in environmental pollution and ecoplanning. ABD Publishers.

استشهاد بنمط شيكاغو

Arvind Kumar. Modern Trends in Environmental Pollution and Ecoplanning. Jaipur: ABD Publishers, 1999.

MLA استشهاد

Arvind Kumar. Modern Trends in Environmental Pollution and Ecoplanning. ABD Publishers, 1999.