(1956). Photogrammetric activities at the Geographical Survey Office: During the period 1952 - 1955.
Chicago-Zitierstil (17. Ausg.)Photogrammetric Activities at the Geographical Survey Office: During the Period 1952 - 1955. Stockholm, 1956.
MLA-Zitierstil (9. Ausg.)Photogrammetric Activities at the Geographical Survey Office: During the Period 1952 - 1955. 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.