APA (7e ed.) Bronvermelding

Freeman, T. G. (1989). Calculating catchment area with divergent flow based on a regular grid. CSIRO, Division of Information Technology.

Chicago (17e ed.) Bronvermelding

Freeman, T. G. Calculating Catchment Area with Divergent Flow Based on a Regular Grid. North Ryde, N.S.W.: CSIRO, Division of Information Technology, 1989.

MLA (8e ed.) Bronvermelding

Freeman, T. G. Calculating Catchment Area with Divergent Flow Based on a Regular Grid. CSIRO, Division of Information Technology, 1989.