Carlson, P. A., Forkner, H. L., & Boynton, L. D. (1963). 20th century bookkeeping and accounting: Advanced course (20th ed.). South-Western Pub. Co..
Lua i Stíl Chicago (17ú heag.)Carlson, Paul A., Hamden Landon Forkner, agus Lewis Delano Boynton. 20th Century Bookkeeping and Accounting: Advanced Course. 20th ed. [Cincinnati: South-Western Pub. Co., 1963.
Lua MLA (8ú heag.)Carlson, Paul A., et al. 20th Century Bookkeeping and Accounting: Advanced Course. 20th ed. South-Western Pub. Co., 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.