APA (7 वां संस्करण) प्रशस्ति पत्र

Niaounakis, M. (2020). Recycling of flexible plastic packaging. William Andrew.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Niaounakis, Michael. Recycling of Flexible Plastic Packaging. Oxford, United Kingdom: William Andrew, 2020.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Niaounakis, Michael. Recycling of Flexible Plastic Packaging. William Andrew, 2020.