APA (7 वां संस्करण) प्रशस्ति पत्र

Vollmer, S. (2018). A Contribution to the Empirics of Economic and Human Development. Peter Lang International Academic Publishing Group.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Vollmer, Sebastian. A Contribution to the Empirics of Economic and Human Development. Bern: Peter Lang International Academic Publishing Group, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Vollmer, Sebastian. A Contribution to the Empirics of Economic and Human Development. Peter Lang International Academic Publishing Group, 2018.