Putnam, D. (1901). A text-book of psychology for secondary schools. American Book Co..
Chicago-viite (17. p.)Putnam, Daniel. A Text-book of Psychology for Secondary Schools. New York : Cincinnati [etc.]: American Book Co., 1901.
MLA-viite (8. p.)Putnam, Daniel. A Text-book of Psychology for Secondary Schools. American Book Co., 1901.
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