Liles, P., Brendel, L. A., & Krause, R. (1960). Typing mailable letters: Practice projects in placement, punctuation, proofreading, and production. Gregg Pub. Division, McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Liles, Parker, Leroy A. Brendel, und Ruthetta Krause. Typing Mailable Letters: Practice Projects in Placement, Punctuation, Proofreading, and Production. New York: Gregg Pub. Division, McGraw-Hill, 1960.
MLA-Zitierstil (8. Ausg.)Liles, Parker, et al. Typing Mailable Letters: Practice Projects in Placement, Punctuation, Proofreading, and Production. Gregg Pub. Division, McGraw-Hill, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.