Patton, D. H., & Shank, S. (1937). Progressive word mastery. Charles E. Merrill Company.
Čikaški stil citiranja (17. izdanje)Patton, David Hubert, i Shank Shank. Progressive Word Mastery. New York ; Chicago: Charles E. Merrill Company, 1937.
MLA način citiranja (8. izdanje)Patton, David Hubert, i Shank Shank. Progressive Word Mastery. Charles E. Merrill Company, 1937.
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