Trích dẫn APA

Lewis, R. (1961). The managers: A new examination of the English, German and American executive. New York: New American Library.

Trích dẫn kiểu Chicago

Lewis, Roy. The Managers: A New Examination of the English, German and American Executive. New York: New American Library, 1961.

Trích dẫn MLA

Lewis, Roy. The Managers: A New Examination of the English, German and American Executive. New York: New American Library, 1961.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.