Schweitzer, G. K. (1965). The doctorate: A handbook. Thomas.
Cita Chicago (17th ed.)Schweitzer, George Keene. The Doctorate: A Handbook. Springfield, Ill: Thomas, 1965.
Cita MLA (9th ed.)Schweitzer, George Keene. The Doctorate: A Handbook. Thomas, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.