APA (7 वां संस्करण) प्रशस्ति पत्र

Gosler, A., Gosler, A., & Perrins, C. (1987). Some aspects of bill morphology in relation to ecology in the great tit Parus major.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gosler, A., Andrew Gosler, और C. Perrins. Some Aspects of Bill Morphology in Relation to Ecology in the Great Tit Parus Major. 1987.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gosler, A., et al. Some Aspects of Bill Morphology in Relation to Ecology in the Great Tit Parus Major. 1987.

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