APA-referens (7:e uppl.)

Carlson, P. A., Forkner, H. L., & Boynton, L. D. (1963). 20th century bookkeeping and accounting: Advanced course (20th ed.). South-Western Pub. Co..

Chicago-referens (17:e uppl.)

Carlson, Paul A., Hamden Landon Forkner, och Lewis Delano Boynton. 20th Century Bookkeeping and Accounting: Advanced Course. 20th ed. [Cincinnati: South-Western Pub. Co., 1963.

MLA-referens (8:e uppl.)

Carlson, Paul A., et al. 20th Century Bookkeeping and Accounting: Advanced Course. 20th ed. South-Western Pub. Co., 1963.