APA (7 ম সংস্করণ) উদ্ধৃতি

(1955). Keys to happiness: A Reader's Digest guide to successful living. The Reader's Digest Association.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Keys to Happiness: A Reader's Digest Guide to Successful Living. The Reader's Digest Association, 1955.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Keys to Happiness: A Reader's Digest Guide to Successful Living. The Reader's Digest Association, 1955.