Helfrich, M. L. (1965). The social role of the executive's wife. Bureau of Business Research, Division of Research, College of Commerce and Administration, Ohio State University.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Helfrich, Margaret L. The Social Role of the Executive's Wife. Columbus: Bureau of Business Research, Division of Research, College of Commerce and Administration, Ohio State University, 1965.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Helfrich, Margaret L. The Social Role of the Executive's Wife. Bureau of Business Research, Division of Research, College of Commerce and Administration, Ohio State University, 1965.
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