Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Lewis, Roy, i Rosemary Stewart. The Managers: A New Examination of the English, German and American Executive. N. Y: New American Library, 1961.

Cita MLA (9th ed.)

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