APA (7 वां संस्करण) प्रशस्ति पत्र

Krey, M. (2004). Transaction Costs of CDM Projects in India: An Empirical Survey.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Krey, Matthias. Transaction Costs of CDM Projects in India: An Empirical Survey. Hamburg, 2004.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Krey, Matthias. Transaction Costs of CDM Projects in India: An Empirical Survey. 2004.