APA (7 वां संस्करण) प्रशस्ति पत्र

Benckiser, G., & Schnell, S. (2007). Biodiversity in agricultural production systems. CRC Press/Taylor & Francis Group.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Benckiser, Gero, और Sylvia Schnell. Biodiversity in Agricultural Production Systems. Boca Raton, FL: CRC Press/Taylor & Francis Group, 2007.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Benckiser, Gero, और Sylvia Schnell. Biodiversity in Agricultural Production Systems. CRC Press/Taylor & Francis Group, 2007.