APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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