Binney, J., & Merrifield, M. (1998). Galactic astronomy (1a. ed.). Princeton University Press.

Binney, James, and Michael Merrifield. Galactic Astronomy. 1a. ed. Princeton: Princeton University Press, 1998.

Binney, James, and Michael Merrifield. Galactic Astronomy. 1a. ed. Princeton University Press, 1998.