Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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