McCormac, J. C. (1991). Program disk for IBM PC and compatibles for Surveying fundamentals, 2/e (2nd ed.). Englewood Cliffs, N.J.: Prentice Hall.
استشهاد بنمط شيكاغوMcCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
MLA استشهادMcCormac, Jack C. Program Disk for IBM PC and Compatibles for Surveying Fundamentals, 2/e. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.