Black, A. D. (1929). Progressive record and accounting system for dentists: Yearly record book. Physicians' Record Co..
Chicago-стиль цитированияBlack, Arthur D. Progressive Record and Accounting System for Dentists: Yearly Record Book. Chicago: Physicians' Record Co., 1929.
MLA-цитированиеBlack, Arthur D. Progressive Record and Accounting System for Dentists: Yearly Record Book. Physicians' Record Co., 1929.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.