APA (7e ed.) Bronvermelding

Hradilek, L. (1984). Three-dimensional terrestrial triangulation: Applications in surveying engineering. Konrad Wittwer.

Chicago (17e ed.) Bronvermelding

Hradilek, Ludvik. Three-dimensional Terrestrial Triangulation: Applications in Surveying Engineering. Stuttgart: Konrad Wittwer, 1984.

MLA (9e ed.) Bronvermelding

Hradilek, Ludvik. Three-dimensional Terrestrial Triangulation: Applications in Surveying Engineering. Konrad Wittwer, 1984.