Sparke, L. S., & Gallagher, J. S. (2000). Galaxies in the universe: An introduction. Cambridge University Press.
Chicago Edition CitationSparke, Linda S., and John S. Gallagher. Galaxies in the Universe: An Introduction. Cambridge: Cambridge University Press, 2000.
MLA引文Sparke, Linda S., and John S. Gallagher. Galaxies in the Universe: An Introduction. Cambridge University Press, 2000.
警告：這些引文格式不一定是100％准確.