Gaya APA

Aubele, T, , D. (2011). Train your brain to get happy: The simple program that primes your gray cells for joy, optimism, and serenity. . Avon: Avon Adams Media.

Gaya MLA

Aubele, Teresa, , Dkk.. "Train your brain to get happy: The simple program that primes your gray cells for joy, optimism, and serenity. ". Avon: Avon Adams Media, 2011. Buku.