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.
Dyfyniad Arddull 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.
Dyfyniad 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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.