एपीए उद्धरण

Castilla, H., Caycho, T., & Ventura-León, J. L. (2016). Happiness Differences by Sex and Age in Peruvian University.

शिकागो स्टाइल उद्धरण

Castilla, Humberto, Tomás Caycho, और José Luís Ventura-León. Happiness Differences By Sex and Age in Peruvian University. 2016.

एमएलए उद्धरण

Castilla, Humberto, Tomás Caycho, और José Luís Ventura-León. Happiness Differences By Sex and Age in Peruvian University. 2016.