Tohutoro APA (7th ed.)
Martin, R. J. (1980). Teaching through encouragement. Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)
Martin, Robert J. Teaching Through Encouragement. Englewood Cliffs: Prentice-Hall, 1980.
Tohutoro MLA (9th ed.)
Martin, Robert J. Teaching Through Encouragement. Prentice-Hall, 1980.
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