Ward, P. L., & Weingand, D. E. (1997). Human development: Competencies for the twenty-first century. K.G.Saur.
Chicago Style (17th ed.) CitationWard, Patricia Layzell, and Darlene E. Weingand. Human Development: Competencies for the Twenty-first Century. Munchen: K.G.Saur, 1997.
MLA (9th ed.) CitationWard, Patricia Layzell, and Darlene E. Weingand. Human Development: Competencies for the Twenty-first Century. K.G.Saur, 1997.
Warning: These citations may not always be 100% accurate.