APA-referens (7:e uppl.)

Carlson, P. A., Forkner, H. L., & Prickett, A. L. (1947). 20th century bookkeeping and accounting (19th ed.). South-Western Pub. Co..

Chicago-referens (17:e uppl.)

Carlson, Paul A., Hamden Landon Forkner, och Alva LeRoy Prickett. 20th Century Bookkeeping and Accounting. 19th ed. Cincinnati: South-Western Pub. Co., 1947.

MLA-referens (8:e uppl.)

Carlson, Paul A., et al. 20th Century Bookkeeping and Accounting. 19th ed. South-Western Pub. Co., 1947.