Siburg, K. F. The Principle of Least Action in Geometry and Dynamics. Springer.
Style de citation Chicago (17e éd.)Siburg, Karl Friedrich. The Principle of Least Action in Geometry and Dynamics. Berlin [etc.]: Springer.
Style de citation MLA (8e éd.)Siburg, Karl Friedrich. The Principle of Least Action in Geometry and Dynamics. Springer.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.