Jenkins, S. (1998). Hottest, coldest, highest, deepest. Houghton Mifflin.
Chicago Style aipamenaJenkins, Steve. Hottest, Coldest, Highest, Deepest. Boston, Mass.: Houghton Mifflin, 1998.
MLA aipamenaJenkins, Steve. Hottest, Coldest, Highest, Deepest. Houghton Mifflin, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.