Gaya APA
Porter, Michael E.. (1998).
The competitive advantage of nation : with a new introduction .
New York:
Free Press.
Gaya Chicago
Porter, Michael E..
The competitive advantage of nation : with a new introduction.
New York:
Free Press,
1998.
Text.
Gaya MLA
Porter, Michael E..
The competitive advantage of nation : with a new introduction.
New York:
Free Press,
1998.
Text.
Gaya Turabian
Porter, Michael E..
The competitive advantage of nation : with a new introduction.
New York:
Free Press,
1998.
Print.