Gaya APA
Porter, Michael E. (1990).
The Competitive Advantage of Nations (Cet.1).
USA:
The Free Press.
Gaya Chicago
Porter, Michael E.
The Competitive Advantage of Nations.
Cet.1
USA:
The Free Press,
1990.
Text.
Gaya MLA
Porter, Michael E.
The Competitive Advantage of Nations.
Cet.1
USA:
The Free Press,
1990.
Text.
Gaya Turabian
Porter, Michael E.
The Competitive Advantage of Nations.
Cet.1
USA:
The Free Press,
1990.
Print.