Cita APA

Bred, C. B. n. 1., & Bred, C. B. n. 1. (1977). The Principles and practice of surveying (11. edition --.). London, Sydney: Willey.

Citación estilo Chicago

Bred, Charles Blaney n. 1875, y Charles Blaney n. 1875 Bred. The Principles and Practice of Surveying. 11. edition --. London, Sydney: Willey, 1977.

Cita MLA

Bred, Charles Blaney n. 1875, y Charles Blaney n. 1875 Bred. The Principles and Practice of Surveying. 11. edition --. London, Sydney: Willey, 1977.