Cita APA (7th ed.)

Dugdale, R. H. (1980). Surveying (3rd ed.). G. Godwin.

Cita Chicago (17th ed.)

Dugdale, R. H. Surveying. 3rd ed. London: G. Godwin, 1980.

Cita MLA (8th ed.)

Dugdale, R. H. Surveying. 3rd ed. G. Godwin, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.