APA (7th ed.) Zitazioa

Lo, B. (2010). GPS and geocaching in education (First edition.). International Society for Technology in Education.

Chicago Style (17th ed.) Zitazioa

Lo, Burt. GPS and Geocaching in Education. First edition. Eugene, Oregon: International Society for Technology in Education, 2010.

MLA (9th ed.) Zitazioa

Lo, Burt. GPS and Geocaching in Education. First edition. International Society for Technology in Education, 2010.