APA (7e ed.) Bronvermelding

Stuifbergen, N. H. (1980). Intersection of hyperbolae on the earth. Dept. of Surveying Engineering, University of New Brunswick.

Chicago (17e ed.) Bronvermelding

Stuifbergen, Nicholas H.J. Intersection of Hyperbolae on the Earth. Frederiction: Dept. of Surveying Engineering, University of New Brunswick, 1980.

MLA (9e ed.) Bronvermelding

Stuifbergen, Nicholas H.J. Intersection of Hyperbolae on the Earth. Dept. of Surveying Engineering, University of New Brunswick, 1980.