APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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