Secrist, H. (1923). Competition in the retail distribution of clothing: A study of expense or "Supply" curves. Northwestern University, Bureau of Business Research.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Secrist, Horace. Competition in the Retail Distribution of Clothing: A Study of Expense or "Supply" Curves. Chicago, Ill.: Northwestern University, Bureau of Business Research, 1923.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Secrist, Horace. Competition in the Retail Distribution of Clothing: A Study of Expense or "Supply" Curves. Northwestern University, Bureau of Business Research, 1923.
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