Cita APA (7th ed.)
Straumann, N. General Relativity: With Applications to Astrophysics. Springer.
Cita Chicago (17th ed.)
Straumann, Norbert. General Relativity: With Applications to Astrophysics. Berlín, Alemania: Springer.
Cita MLA (9th ed.)
Straumann, Norbert. General Relativity: With Applications to Astrophysics. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.