Não informado. (2000). Bulletin of the Department of Geology. University of California Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the Department of Geology. Berkeley, Calif: University of California Press, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the Department of Geology. University of California Press, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.