Ashton, D. (1966). Competitive business exercise: A continuing simulation of board-level decision-making. Thomas Nelson.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ashton, David. Competitive Business Exercise: A Continuing Simulation of Board-level Decision-making. London: Thomas Nelson, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)Ashton, David. Competitive Business Exercise: A Continuing Simulation of Board-level Decision-making. Thomas Nelson, 1966.
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