APA সাইটেশন

Ries, A. (1993). The 22 immutable laws of marketing. New York: Harper Business.

শিকাগো স্টাইলে সাইটেশন

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

এমএলএ সাইটেশন

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.