Papapetrou, A. (1974). Lectures on general relativity. Reidel.
Cita Chicago Style (17a ed.)Papapetrou, Achilleus. Lectures on General Relativity. Dordrecht, Holland: Reidel, 1974.
Cita MLA (8a ed.)Papapetrou, Achilleus. Lectures on General Relativity. Reidel, 1974.
Precaución: Estas citas no son 100% exactas.