FLEISHMAN , E. E. (1995). EARTH'S CRUST: BE A SCIENTIST SERIES.
Chicago Style aipamenaFLEISHMAN , E. ED. EARTH'S CRUST: BE A SCIENTIST SERIES. 1995.
MLA aipamenaFLEISHMAN , E. ED. EARTH'S CRUST: BE A SCIENTIST SERIES. 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.