Kafele, B. K. (2013). Closing the attitude gap: How to fire up your students to strive for success. ASCD.
Lua i Stíl Chicago (17ú heag.)Kafele, Baruti K. Closing the Attitude Gap: How to Fire Up Your Students to Strive for Success. Alexandria, Va., USA: ASCD, 2013.
Lua MLA (9ú heag.)Kafele, Baruti K. Closing the Attitude Gap: How to Fire Up Your Students to Strive for Success. ASCD, 2013.
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