Gaya APA

Dinwiddie, R. (2011). Violent Earth: Volcanoes, Earthquakes, Hurricanes, Mudslides, Tsunamis (Cet. 1). London: DK.

Gaya MLA

Dinwiddie, Robert. "Violent Earth: Volcanoes, Earthquakes, Hurricanes, Mudslides, Tsunamis". Cet. 1 London: DK, 2011. Karya Cetak.