Carnegie, D. The leader in you how to win friends, influence people, and succeed in a changing world. Pocket Books.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCarnegie, Dale. The Leader in You How to Win Friends, Influence People, and Succeed in a Changing World. Pocket Books.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCarnegie, Dale. The Leader in You How to Win Friends, Influence People, and Succeed in a Changing World. Pocket Books.
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