Beck, D. E., & Cowan, C. C. (1995). Spiral dynamics: Mastering values, leadership and change. Blackwell Oxford: [s.n].
Chicago Style CitationBeck, Don Edward, and Christopher C. Cowan. Spiral Dynamics: Mastering Values, Leadership and Change. Blackwell Oxford: [s.n], 1995.
MLA CitationBeck, Don Edward, and Christopher C. Cowan. Spiral Dynamics: Mastering Values, Leadership and Change. Blackwell Oxford: [s.n], 1995.
Warning: These citations may not always be 100% accurate.