APA
Pteffer J., . (1994). Competitive advantage through people. Boston: Harvard Business School Press.
Chicago
Pteffer Jeffrey, . 1994. Competitive advantage through people. Boston: Harvard Business School Press.
Harvard
Pteffer J., . (1994). Competitive advantage through people. Boston: Harvard Business School Press.
MLA
Pteffer Jeffrey, . Competitive advantage through people. Boston: Harvard Business School Press. 1994.