APA সাইটেশন

Harvard Business School Press. (2006). The essentials of strategy. Harvard Business School.

শিকাগো স্টাইলে সাইটেশন

Harvard Business School Press. The Essentials of Strategy. Boston: Harvard Business School, 2006.

এমএলএ সাইটেশন

Harvard Business School Press. The Essentials of Strategy. Harvard Business School, 2006.