APA (7 ম সংস্করণ) উদ্ধৃতি

Schuller, R. (1985). The be happy attitudes: Eight postive attitudes that can transform your life. Word books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Schuller, Robert. The Be Happy Attitudes: Eight Postive Attitudes That Can Transform Your Life. Texas: Word books, 1985.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Schuller, Robert. The Be Happy Attitudes: Eight Postive Attitudes That Can Transform Your Life. Word books, 1985.