APA aipamena

Palmer, R. R. (2007). A history of the modern world. Boston: McGraw-Hill.

Chicago Style aipamena

Palmer, R. R. A History of the Modern World. Boston: McGraw-Hill, 2007.

MLA aipamena

Palmer, R. R. A History of the Modern World. Boston: McGraw-Hill, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.