APA (7. basım) Alıntı

Gregory, R. H., & Van Horn, R. L. (1960). Automatic data-processing systems: Principles and procedures / R. H. Gregory [and] Richard L. Van Horn. Wadsworth.

Chicago Style (17. basım) Atıf

Gregory, Robert Henry, ve Richard L. Van Horn. Automatic Data-processing Systems: Principles and Procedures / R. H. Gregory [and] Richard L. Van Horn. Belmont, Calif: Wadsworth, 1960.

MLA (9th ed.) Atıf

Gregory, Robert Henry, ve Richard L. Van Horn. Automatic Data-processing Systems: Principles and Procedures / R. H. Gregory [and] Richard L. Van Horn. Wadsworth, 1960.