APA引文

Ries, A. (2002). Positioning: The battle for your mind. Salemba Empat.

Chicago Style (17th ed.) Citation

Ries, Al. Positioning: The Battle for Your Mind. Salemba Empat, 2002.

MLA引文

Ries, Al. Positioning: The Battle for Your Mind. Salemba Empat, 2002.

警告：這些引文格式不一定是100％准確.