APA (7 वां संस्करण) प्रशस्ति पत्र

Viljoen, A., & Wiskerke, J. S. C. (2012). Sustainable food planning: Evolving theory and practice. Wageningen Academic Publishers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Viljoen, Andre, और Johannes S. C. Wiskerke. Sustainable Food Planning: Evolving Theory and Practice. Wageningen, Netherlands: Wageningen Academic Publishers, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Viljoen, Andre, और Johannes S. C. Wiskerke. Sustainable Food Planning: Evolving Theory and Practice. Wageningen Academic Publishers, 2012.