Library, 1. L. I. I. Surveying: Theory and practice. Philadelphia, Pa. : Lefax.
Chicago (17e ed.) BronvermeldingLibrary, 11674 Lefax Instant Information. Surveying: Theory and Practice. Philadelphia, Pa. : Lefax.
MLA (9e ed.) BronvermeldingLibrary, 11674 Lefax Instant Information. Surveying: Theory and Practice. Philadelphia, Pa. : Lefax.
Let op: Deze citaties zijn niet altijd 100% accuraat.