APA সাইটেশন

Clifford, W. G. (1994). The Key to success: The science of leadership.

শিকাগো স্টাইলে সাইটেশন

Clifford, William G. The Key to Success: The Science of Leadership. New Delhi, Beacon, 1994.

এমএলএ সাইটেশন

Clifford, William G. The Key to Success: The Science of Leadership. 1994.