Gaya APA
Kaplan, R, S., Norton, D, P. (2004).
Strategy Maps : converting intangible assets into tangible outcomes .
Amerika:
Harvard Business School Press.
Gaya MLA
Kaplan, Robert, S.., Norton, David, P..
"Strategy Maps : converting intangible assets into tangible outcomes".
Amerika:
Harvard Business School Press,
2004.
Buku.