Παραπομπή APA
Koopman, B. S., & Kester, R. B. b. 1. (1923). Fundamentals of accounting: Principles and practice of bookkeeping. New York: The Ronald Press Company.
Παραπομπή Chicago StyleKoopman, Bernard S., and Roy B. b. 1882 Kester. Fundamentals of Accounting: Principles and Practice of Bookkeeping. New York: The Ronald Press Company, 1923.
Παραπομπή MLAKoopman, Bernard S., and Roy B. b. 1882 Kester. Fundamentals of Accounting: Principles and Practice of Bookkeeping. New York: The Ronald Press Company, 1923.
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