Cita APA (7a ed.)

Gran Bretaña. National Coal Board. Mining Department. (1973). Surveying practice. National Coal Board; Mining Department.

Cita Chicago Style (17a ed.)

Gran Bretaña. National Coal Board. Mining Department. Surveying Practice. London: National Coal Board; Mining Department, 1973.

Cita MLA (8a ed.)

Gran Bretaña. National Coal Board. Mining Department. Surveying Practice. National Coal Board; Mining Department, 1973.