Cita APA (7a ed.)

Lewis, P. (1977). MAPS AND STATISTICS. Metbuen & Co Ltd.

Cita Chicago Style (17a ed.)

Lewis, Peter. MAPS AND STATISTICS. UK: Metbuen & Co Ltd, 1977.

Cita MLA (9a ed.)

Lewis, Peter. MAPS AND STATISTICS. Metbuen & Co Ltd, 1977.