Gaya APA

Breed, C, B. et al (1961). Higher Surveying: principles and practice of surveying, Vol. 2 eight edition . New York: John Wiley & Sons, Inc.

Gaya MLA

Breed, Charles, B.. et al. "Higher Surveying: principles and practice of surveying, Vol. 2 eight edition". New York: John Wiley & Sons, Inc, 1961. Text.