Παραπομπή σε μορφή APA (7η εκδ.)

Fagerholm, P. O. (1952). A study of mechanical radial triangulation and some related problems in modern mapping.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Fagerholm, Per Olof. A Study of Mechanical Radial Triangulation and Some Related Problems in Modern Mapping. Stockholm, 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Fagerholm, Per Olof. A Study of Mechanical Radial Triangulation and Some Related Problems in Modern Mapping. 1952.