एपीए उद्धरण

Singh I. (2006). Diverse aspect of geographical thought. Alfa.

शिकागो स्टाइल उद्धरण

Singh I. Diverse Aspect of Geographical Thought. New Delhi: Alfa, 2006.

एमएलए उद्धरण

Singh I. Diverse Aspect of Geographical Thought. Alfa, 2006.