Buchdahl, H. A. (1981). Seventeen simple lectures on general relativity theory. Wiley.
Cita Chicago (17th ed.)Buchdahl, H. A. Seventeen Simple Lectures on General Relativity Theory. New York: Wiley, 1981.
Cita MLA (9th ed.)Buchdahl, H. A. Seventeen Simple Lectures on General Relativity Theory. Wiley, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.