FARNANDON , J. (2000). PLANET EARTH: INVESTIGATION SERIES. LORENZ BOOKS.
Chicago Style aipamenaFARNANDON , JOHN. PLANET EARTH: INVESTIGATION SERIES. NEW YORK: LORENZ BOOKS, 2000.
MLA aipamenaFARNANDON , JOHN. PLANET EARTH: INVESTIGATION SERIES. LORENZ BOOKS, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.