ebrary, Inc, Clark, D. H., & Clark, M. D. H. (2004). Measuring the cosmos: How scientists discovered the dimensions of the universe. Rutgers University Press.
Chicago-viite (17. p.)ebrary, Inc, David H. Clark, ja Matthew D. H. Clark. Measuring the Cosmos: How Scientists Discovered the Dimensions of the Universe. New Brunswick, N.J.: Rutgers University Press, 2004.
MLA-viite (9. p.)ebrary, Inc, et al. Measuring the Cosmos: How Scientists Discovered the Dimensions of the Universe. Rutgers University Press, 2004.
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