McCormac, J. C. (1991). Program disk for IBM PC and compatibles for Surveying fundamentals, 2/e (2nd ed.). Englewood Cliffs, N.J.: Prentice Hall.
Trích dẫn kiểu ChicagoMcCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
Deismireacht MLAMcCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
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