Campbell, J. (1991). Introductory cartography (2nd ed.). Wm. C. Brown.
芝加哥风格引文Campbell, John. Introductory Cartography. 2nd ed. Dubuque, Ia: Wm. C. Brown, 1991.
MLA引文Campbell, John. Introductory Cartography. 2nd ed. Wm. C. Brown, 1991.
警告:这些引文格式不一定是100%准确.