Cita APA (7a ed.)

Allan, A. L. (1997). Maths for map makers. Whittles Publishing.

Cita Chicago Style (17a ed.)

Allan, Arthur L. Maths for Map Makers. Caithness: Whittles Publishing, 1997.

Cita MLA (9a ed.)

Allan, Arthur L. Maths for Map Makers. Whittles Publishing, 1997.