Gaya APA

PORTER, Michael E.. (1980). COMPETITIVE STRATEGY; TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS . : .

Gaya Chicago

PORTER, Michael E.. COMPETITIVE STRATEGY; TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. : , 1980. Text.

Gaya MLA

PORTER, Michael E.. COMPETITIVE STRATEGY; TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. : , 1980. Text.

Gaya Turabian

PORTER, Michael E.. COMPETITIVE STRATEGY; TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. : , 1980. Print.