Hall, A. G., & Hall, K. M. (1976). Modern commerce: An introductory course. Heinemann Educational Books.
Citazione stile Chigago Style (17a edizione)Hall, A. G., e K. M. Hall. Modern Commerce: An Introductory Course. London: Heinemann Educational Books, 1976.
Citatione MLA (9a ed.)Hall, A. G., e K. M. Hall. Modern Commerce: An Introductory Course. Heinemann Educational Books, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.