Canfield, J., Hewitt, L., Irene Christin, & Victor Hansen, M. (2013). The Power of focus (Ed. revisi.). Jakarta: Elek Media Komputindo.
Chicago Style CitationCanfield, Jack, Les Hewitt, Irene Christin, and Mark Victor Hansen. The Power of Focus. Ed. revisi. Jakarta: Elek Media Komputindo, 2013.
MLA CitationCanfield, Jack, Les Hewitt, Irene Christin, and Mark Victor Hansen. The Power of Focus. Ed. revisi. Jakarta: Elek Media Komputindo, 2013.
Warning: These citations may not always be 100% accurate.