United States. National Park Service, Smithsonian Institution, & Festival of American Folklife. (1991). Festival of American Folklife, June 28-July 1 and July 4-July 7. Smithsonian Institution.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. National Park Service, Smithsonian Institution, এবং Festival of American Folklife. Festival of American Folklife, June 28-July 1 and July 4-July 7. [Washington, D.C.]: Smithsonian Institution, 1991.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited States. National Park Service, et al. Festival of American Folklife, June 28-July 1 and July 4-July 7. Smithsonian Institution, 1991.
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