APA-ийн эшлэл(7 дахь хэвлэлт)

PORTER, M. E. (1980). Competitive strategy: Techniques for analyzing industries and competitors. The Free Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

PORTER, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. New York: The Free Press, 1980.

MLA -ийн эшлэл (9 дэх хэвлэлт)

PORTER, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. The Free Press, 1980.