Kittel, C., Ruderman, M. A., Helmholz, C. A., Knight, W. D., Moyer, B. J., & Helmholz, A. C. (1973). Mechanics (2nd ed.). New York: McGraw-Hill.

Kittel, Charles, Malvin A. Ruderman, Carl A. Helmholz, Walter D. Knight, Burton J. Moyer, and A. Carl Helmholz. Mechanics. 2nd ed. New York: McGraw-Hill, 1973.

Kittel, Charles, et al. Mechanics. 2nd ed. New York: McGraw-Hill, 1973.