एपीए उद्धरण

Shelley O'hara. (2005). Improving your study skill.

शिकागो स्टाइल उद्धरण

Shelley O'hara. Improving Your Study Skill. 2005.

एमएलए उद्धरण

Shelley O'hara. Improving Your Study Skill. 2005.