Davis, R. E., & Foote, F. S. (1953). Surveying: Theory and practice (4th ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleDavis, Raymond E., and Francis S. Foote. Surveying: Theory and Practice. 4th ed. New York: McGraw-Hill, 1953.
Παραπομπή MLADavis, Raymond E., and Francis S. Foote. Surveying: Theory and Practice. 4th ed. New York: McGraw-Hill, 1953.
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