Botel, M. (1967). Patterns in spelling and writing: 1620 power words. U.S.A: California State Department of Education.
Čikaški stil citiranjaBotel, Morton. Patterns in Spelling and Writing: 1620 Power Words. U.S.A: California State Department of Education, 1967.
MLA način citiranjaBotel, Morton. Patterns in Spelling and Writing: 1620 Power Words. U.S.A: California State Department of Education, 1967.
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