APA aipamena

Bowman, C. E., Percy, A. L., & Nichols, F. G. (1941). Business and bookkeeping procedure. American book company.

Chicago Style aipamena

Bowman, Charles E., Atlee L. Percy, and Frederick George Nichols. Business and Bookkeeping Procedure. New York, Cincinnati [etc.]: American book company, 1941.

MLA aipamena

Bowman, Charles E., et al. Business and Bookkeeping Procedure. American book company, 1941.