Gaya APA

Swanson, C, P. (1985). The map book outline maps and fact sheets for states, regions, and ì countries . New York: New York: Hartcourt Brace Jovanovich; 1985.

Gaya MLA

Swanson, Carl, P.. "The map book outline maps and fact sheets for states, regions, and ì countries". New York: New York: Hartcourt Brace Jovanovich; 1985, 1985. Text.