APA (7 वां संस्करण) प्रशस्ति पत्र

Rosic, H. (2012). The Economic and Environmental Sustainability of Dual Sourcing. Peter Lang International Academic Publishing Group.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Rosic, Heidrun. The Economic and Environmental Sustainability of Dual Sourcing. Bern: Peter Lang International Academic Publishing Group, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Rosic, Heidrun. The Economic and Environmental Sustainability of Dual Sourcing. Peter Lang International Academic Publishing Group, 2012.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.