DeWitt, B., & Christensen, S. M. (2011). Bryce DeWitt's Lectures on Gravitation: Edited by Steven M. Christensen (1st ed. 2011.). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.
Trích dẫn kiểu ChicagoDeWitt, Bryce., and Steven M. Christensen. Bryce DeWitt's Lectures On Gravitation: Edited By Steven M. Christensen. 1st ed. 2011. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
Trích dẫn MLADeWitt, Bryce., and Steven M. Christensen. Bryce DeWitt's Lectures On Gravitation: Edited By Steven M. Christensen. 1st ed. 2011. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
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