Tohutoro APA (7th ed.)
Elaine Clanton Harpine. Group-Centered Prevention Programs for At-Risk Students. Springer.
Tohutoru Kātū Chicago (17th ed.)
Elaine Clanton Harpine. Group-Centered Prevention Programs for At-Risk Students. Nueva York, EUA: Springer.
Tohutoro MLA (9th ed.)
Elaine Clanton Harpine. Group-Centered Prevention Programs for At-Risk Students. Springer.
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