Black, A. D. (1929). Progressive record and accounting system for dentists: Yearly record book. Physicians' Record Co..
Chicago-Zitierstil (17. Ausg.)Black, Arthur D. Progressive Record and Accounting System for Dentists: Yearly Record Book. Chicago: Physicians' Record Co., 1929.
MLA-Zitierstil (8. Ausg.)Black, Arthur D. Progressive Record and Accounting System for Dentists: Yearly Record Book. Physicians' Record Co., 1929.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.