Williams, K., Boone, L. P., & Englebert, M. (1964). Spelling is fun. American Southern.
Lua i Stíl Chicago (17ú heag.)Williams, Katie, Lalia Phipps Boone, agus Merle Englebert. Spelling Is Fun. Montgomery, Alabama: American Southern, 1964.
Lua MLA (8ú heag.)Williams, Katie, et al. Spelling Is Fun. American Southern, 1964.
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