1. Aaker, D. A. (1990). Brand extensions: the good, the bad, and the ugly. Sloan Management Review, 31(4), 47–56.
2. Aaker, D. A. (1991). Managing brand equity. New York: Free Press.
3. Aaker, D. A. (1996). Building strong brands. New York: Free Press.
4. Aaker, D. A. (2004). Brand portfolio strategy: creating relevance, differentiation, energy, leverage, and clarity. New York: Free Press.
5. Aaker, D. A., & Joachimsthaler, E. (2000). The brand relationship spectrum: the key to the brand architecture challenge. California Management Review, 42(4), 8–23.