APA-referens

Obermeyer, N. J., & Pinto, J. K. (2008). Managing geographical information systems (2nd. ed.). Rawat Publications.

Chicago-stil citat

Obermeyer, Nancy J., och Jeffrey K. Pinto. Managing Geographical Information Systems. 2nd. ed. Jaipur: Rawat Publications, 2008.

MLA-referens

Obermeyer, Nancy J., och Jeffrey K. Pinto. Managing Geographical Information Systems. 2nd. ed. Rawat Publications, 2008.