APA (7 वां संस्करण) प्रशस्ति पत्र

DOORKAMP, J. C., & KING, C. A. (1971). Numerical analysis in geomorphology an introduction. Butler and Tanner.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

DOORKAMP, John C., और Cuchlaine A.M KING. Numerical Analysis in Geomorphology an Introduction. London: Butler and Tanner, 1971.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

DOORKAMP, John C., और Cuchlaine A.M KING. Numerical Analysis in Geomorphology an Introduction. Butler and Tanner, 1971.