Kakkuri, J. (1973). Stellar triangulation with balloon-borne beacons. Finnish Geodetic Institute.
Chicago (17e ed.) BronvermeldingKakkuri, Juhani. Stellar Triangulation with Balloon-borne Beacons. Helsinki: Finnish Geodetic Institute, 1973.
MLA (9e ed.) BronvermeldingKakkuri, Juhani. Stellar Triangulation with Balloon-borne Beacons. Finnish Geodetic Institute, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.