Gaya APA

Kaplan, R, S., Norton, D, P. (2004). Strategy Maps : Converting Intangible Assets Into Tangible Outcomes . United States America: Harvard Business School.

Gaya MLA

Kaplan, Robert, S.., Norton, David, P.. "Strategy Maps : Converting Intangible Assets Into Tangible Outcomes". United States America: Harvard Business School, 2004. Text.