Lua APA (7ú heag.)
Kracht, J. B. (2005). World explorer: People, places, and cultures. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Kracht, James B. World Explorer: People, Places, and Cultures. Massachusetts: Prentice Hall, 2005.
Lua MLA (9ú heag.)
Kracht, James B. World Explorer: People, Places, and Cultures. Prentice Hall, 2005.
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