APA-referens (7:e uppl.)

Thomson, J. B. (1893). A commercial arithmetic: Designed for academies, high schools, counting rooms, and business colleges. Maynard, Merrill, & Co..

Chicago-referens (17:e uppl.)

Thomson, James B. A Commercial Arithmetic: Designed for Academies, High Schools, Counting Rooms, and Business Colleges. New York: Maynard, Merrill, & Co., 1893.

MLA-referens (8:e uppl.)

Thomson, James B. A Commercial Arithmetic: Designed for Academies, High Schools, Counting Rooms, and Business Colleges. Maynard, Merrill, & Co., 1893.