Penggayaan APA

PORTER, Michael E.. (1983). Cases in competitive strategy . New York: Free Press.

Chicago Style

PORTER, Michael E.. Cases in competitive strategy. New York: Free Press, 1983. Buku.

MLA Style

PORTER, Michael E.. Cases in competitive strategy. New York: Free Press, 1983. Buku.

Turabian Style

PORTER, Michael E.. Cases in competitive strategy. New York: Free Press, 1983. Buku.