Hobbs, F., & Doling, J. F. (1981). Planning for engineers and surveyors. Pergamon Press.
Chicago Style citaatHobbs, F.D, en J F. Doling. Planning for Engineers and Surveyors. Oxford: Pergamon Press, 1981.
MLA citatieHobbs, F.D, en J F. Doling. Planning for Engineers and Surveyors. Pergamon Press, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.