Cita APA (7th ed.)

Library, 1. L. I. I. Surveying: Theory and practice. Philadelphia, Pa. : Lefax.

Cita Chicago (17th ed.)

Library, 11674 Lefax Instant Information. Surveying: Theory and Practice. Philadelphia, Pa. : Lefax.

Cita MLA (9th ed.)

Library, 11674 Lefax Instant Information. Surveying: Theory and Practice. Philadelphia, Pa. : Lefax.

Atenció: Aquestes cites poden no estar 100% correctes.