James Stephenson. (1924). The principles and practice of commerce. Isaac Pitman & Sons.
Chicago Style (17. basım) AtıfJames Stephenson. The Principles and Practice of Commerce. London: Isaac Pitman & Sons, 1924.
MLA (9th ed.) AtıfJames Stephenson. The Principles and Practice of Commerce. Isaac Pitman & Sons, 1924.
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