APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, & Bertrand, R. L. (2011). Theories and effects of economic growth. Nova Science Publishers, Inc..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Richard L. Bertrand. Theories and Effects of Economic Growth. New York: Nova Science Publishers, Inc., 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Richard L. Bertrand. Theories and Effects of Economic Growth. Nova Science Publishers, Inc., 2011.