Robbins, J. (1987). Mastering DOS (2nd ed.). Perfect Bound Pub., & Trading.
Chicago Style (17th ed.) CitationRobbins, Judd. Mastering DOS. 2nd ed. Quezon City: Perfect Bound Pub., & Trading, 1987.
MLA (9th ed.) CitationRobbins, Judd. Mastering DOS. 2nd ed. Perfect Bound Pub., & Trading, 1987.
Warning: These citations may not always be 100% accurate.