Ehrlich, R., & Ehrlich, G. (1993). The cosmological milkshake: A semi-serious look at the size of things (1a. ed.). Rutgers University Press.
Citace podle Chicago (17th ed.)Ehrlich, Robert, a Gary Ehrlich. The Cosmological Milkshake: A Semi-serious Look at the Size of Things. 1a. ed. New Brunswick: Rutgers University Press, 1993.
Citace podle MLA (9th ed.)Ehrlich, Robert, a Gary Ehrlich. The Cosmological Milkshake: A Semi-serious Look at the Size of Things. 1a. ed. Rutgers University Press, 1993.
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