Smith, R. (1995). An Introduction to perspective. Dorling Kindersley.
Cita Chicago Style (17a ed.)Smith, Ray. An Introduction to Perspective. Dorling Kindersley, 1995.
Cita MLA (8a ed.)Smith, Ray. An Introduction to Perspective. Dorling Kindersley, 1995.
Precaución: Estas citas no son 100% exactas.