Παραπομπή APA

Johansen, B. E. (2007). Global warming in the 21 st century Vol 2, Melting ice and warming seas.

Παραπομπή Chicago Style

Johansen, Bruce E. Global Warming in the 21 St Century Vol 2, Melting Ice and Warming Seas. New Delhi, Atlantic Pubs & Distbs, 2007.

Παραπομπή MLA

Johansen, Bruce E. Global Warming in the 21 St Century Vol 2, Melting Ice and Warming Seas. 2007.