APA (7 वां संस्करण) प्रशस्ति पत्र
Masters, G. M. (1998). Introduction to environmental engineering and science (2nd ed.). Pearson Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Masters, Gilbert M. Introduction to Environmental Engineering and Science. 2nd ed. Delhi: Pearson Education, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Masters, Gilbert M. Introduction to Environmental Engineering and Science. 2nd ed. Pearson Education, 1998.
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