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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. National Park Service, Smithsonian Institution, और Festival of American Folklife. Festival of American Folklife, June 28-July 1 and July 4-July 7. [Washington, D.C.]: Smithsonian Institution, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited States. National Park Service, et al. Festival of American Folklife, June 28-July 1 and July 4-July 7. Smithsonian Institution, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.