Cross, P. A. (1984). The geodetic suite (2nd ed.). North East London Polytechnic, Department of Land Surveying.
Citazione stile Chigago Style (17a edizione)Cross, P. A. The Geodetic Suite. 2nd ed. Dagenham: North East London Polytechnic, Department of Land Surveying, 1984.
Citatione MLA (8a ed.)Cross, P. A. The Geodetic Suite. 2nd ed. North East London Polytechnic, Department of Land Surveying, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.