Gaya APA
Porter, Michael E. (1990).
The Competitive advantage of nations(Buku Hubungan Internasional) .
:
The Free Press.
Gaya Chicago
Porter, Michael E.
The Competitive advantage of nations(Buku Hubungan Internasional).
:
The Free Press,
1990.
BUKU.
Gaya MLA
Porter, Michael E.
The Competitive advantage of nations(Buku Hubungan Internasional).
:
The Free Press,
1990.
BUKU.
Gaya Turabian
Porter, Michael E.
The Competitive advantage of nations(Buku Hubungan Internasional).
:
The Free Press,
1990.
BUKU.