एपीए उद्धरण

Dahlman, C. T. (2015). Introduction to geography: People, places &​ environment. Essex, England: Pearson.

शिकागो स्टाइल उद्धरण

Dahlman, Carl T. Introduction to Geography: People, Places &​ Environment. Essex, England: Pearson, 2015.

एमएलए उद्धरण

Dahlman, Carl T. Introduction to Geography: People, Places &​ Environment. Essex, England: Pearson, 2015.