APA (7e ed.) Bronvermelding
Wirshing, J. R., & Wirshing, R. H. (1985). Schaum's Outline of Theory and Problems of Introductory Surveying. McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Wirshing, James R., en Roy H. Wirshing. Schaum's Outline of Theory and Problems of Introductory Surveying. New York: McGraw-Hill, 1985.
MLA (9e ed.) Bronvermelding
Wirshing, James R., en Roy H. Wirshing. Schaum's Outline of Theory and Problems of Introductory Surveying. McGraw-Hill, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.