Theobald, M. A. (2006). Increasing student motivation: Strategies for middle and high school teachers. Corwin Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Theobald, Margaret A. Increasing Student Motivation: Strategies for Middle and High School Teachers. Thousand Oaks,California: Corwin Press, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Theobald, Margaret A. Increasing Student Motivation: Strategies for Middle and High School Teachers. Corwin Press, 2006.
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