Freeman, I. M., & Joos, G. (1958). Theoretical physics. Blackie & Sons.
Cita Chicago (17th ed.)Freeman, Ira Maximilian, i Georg Joos. Theoretical Physics. London: Blackie & Sons, 1958.
Cita MLA (9th ed.)Freeman, Ira Maximilian, i Georg Joos. Theoretical Physics. Blackie & Sons, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.