Dyfyniad APA

McCormac, J. C. (1991). Program disk for IBM PC and compatibles for Surveying fundamentals, 2/e (2nd ed.). Englewood Cliffs, N.J.: Prentice Hall.

Dyfyniad Arddull Chicago

McCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.

Dyfyniad MLA

McCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.