Alaska-Yukon-Pacific Exposition Seattle, Wash, & Alaska-Yukon-Pacific Exposition. (1908). Prize list, rules and regulations: (preliminary). Challenge Press.
Chicago-referens (17:e uppl.)Alaska-Yukon-Pacific Exposition Seattle, Wash, och Alaska-Yukon-Pacific Exposition. Prize List, Rules and Regulations: (preliminary). Seattle: Challenge Press, 1908.
MLA-referens (8:e uppl.)Alaska-Yukon-Pacific Exposition Seattle, Wash, och Alaska-Yukon-Pacific Exposition. Prize List, Rules and Regulations: (preliminary). Challenge Press, 1908.
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