Hanson, J. L. (1974). The structure of modern commerce: An introductory course for business studies (5th ed.). Macdonald & Evans.
Lua i Stíl Chicago (17ú heag.)Hanson, John Lloyd. The Structure of Modern Commerce: An Introductory Course for Business Studies. 5th ed. London: Macdonald & Evans, 1974.
Lua MLA (9ú heag.)Hanson, John Lloyd. The Structure of Modern Commerce: An Introductory Course for Business Studies. 5th ed. Macdonald & Evans, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.