APA ציטוט

(1992). An outline of America geography: Regional landscapes of the United States. New York, USA: United States Information Agency.

Trích dẫn kiểu Chicago

An Outline of America Geography: Regional Landscapes of the United States. New York, USA: United States Information Agency, 1992.

ציטוט MLA

An Outline of America Geography: Regional Landscapes of the United States. New York, USA: United States Information Agency, 1992.