Agarwal, M. (2006). The 10 rules of happiness. Rupa & Co..
Chicago Style aipamenaAgarwal, Mridula. The 10 Rules of Happiness. New Delhi: Rupa & Co., 2006.
MLA aipamenaAgarwal, Mridula. The 10 Rules of Happiness. Rupa & Co., 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.