Leighton, R. B., Vogt, R. E., & Feynman, R. P. (1969). Exercises in introductory physics. Addison-Wesley.
Chicago Style aipamenaLeighton, Robert B., Rochus E. Vogt, and Richards Phillips Feynman. Exercises in Introductory Physics. Reading, Mass: Addison-Wesley, 1969.
MLA aipamenaLeighton, Robert B., et al. Exercises in Introductory Physics. Addison-Wesley, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.