Dayal, K. (2010). How to be happy: Despite failures and frustrations. Read worthy.
Chicago-стиль цитированияDayal, Keshav. How to Be Happy: Despite Failures and Frustrations. New Delhi: Read worthy, 2010.
MLA-цитированиеDayal, Keshav. How to Be Happy: Despite Failures and Frustrations. Read worthy, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.