APA (7 वां संस्करण) प्रशस्ति पत्र

Richards, I. S., & Bourgeois, M. M. (2014). Principles and practice of toxicology in public health (Second edition.). Jones & Bartlett Learning.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Richards, Ira S., और Marie M. Bourgeois. Principles and Practice of Toxicology in Public Health. Second edition. Burlington, Mass: Jones & Bartlett Learning, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Richards, Ira S., और Marie M. Bourgeois. Principles and Practice of Toxicology in Public Health. Second edition. Jones & Bartlett Learning, 2014.