McKee, D. (2012). Elmer's first counting book (American ed.). Anderson Press : Distributed in the United States and Canada by Lerner Pub. Group.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMcKee, David. Elmer's First Counting Book. American ed. Minneapolis, MN: Anderson Press : Distributed in the United States and Canada by Lerner Pub. Group, 2012.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিMcKee, David. Elmer's First Counting Book. American ed. Anderson Press : Distributed in the United States and Canada by Lerner Pub. Group, 2012.
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