Clark, D., & Jackson, J. E. (1969). Plane and geodetic surveying for engineers (6th ed.). Constable.
Citazione stile Chigago Style (17a edizione)Clark, David, e J. E. Jackson. Plane and Geodetic Surveying for Engineers. 6th ed. London,: Constable, 1969.
Citatione MLA (8a ed.)Clark, David, e J. E. Jackson. Plane and Geodetic Surveying for Engineers. 6th ed. Constable, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.