Ashton, D. (1966). Competitive business exercise: A continuing simulation of board-level decision-making. Thomas Nelson.
Chicago-referens (17:e uppl.)Ashton, David. Competitive Business Exercise: A Continuing Simulation of Board-level Decision-making. London: Thomas Nelson, 1966.
MLA-referens (9:e uppl.)Ashton, David. Competitive Business Exercise: A Continuing Simulation of Board-level Decision-making. Thomas Nelson, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.