Gaya APA

Sanders, J, Z, D, B, A, D, T. (2002). Volcanoes in Human History: The Far-Reaching Effects of Major Eruptions (Cet. 1). New Jersey: Pprinceton University Press.

Gaya MLA

Sanders, Jelle, Zeilinga, De, Boer, And, Donald, Theodore. "Volcanoes in Human History: The Far-Reaching Effects of Major Eruptions". Cet. 1 New Jersey: Pprinceton University Press, 2002. Text.