APA aipamena

Hardy, J. T. (2003). Climate change: ; Causes, effects and solutions. John Wiley & sons.

Chicago Style aipamena

Hardy, John T. Climate Change: ; Causes, Effects and Solutions. USA: John Wiley & sons, 2003.

MLA aipamena

Hardy, John T. Climate Change: ; Causes, Effects and Solutions. John Wiley & sons, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.