APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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