McCormac, J. C. (1991). Surveying fundamentals (2nd ed.). Englewood Cliffs, N.J.: Prentice Hall.
Chicago Style aipamenaMcCormac, Jack C. Surveying Fundamentals. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
MLA aipamenaMcCormac, Jack C. Surveying Fundamentals. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.