Peterson, E. (2008). Ramble Colorado: The wanderer's guide to the offbeat, overlooked, and outrageous. Speck Press.
Citace podle Chicago (17th ed.)Peterson, Eric. Ramble Colorado: The Wanderer's Guide to the Offbeat, Overlooked, and Outrageous. Golden, Colo.: Speck Press, 2008.
Citace podle MLA (9th ed.)Peterson, Eric. Ramble Colorado: The Wanderer's Guide to the Offbeat, Overlooked, and Outrageous. Speck Press, 2008.
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