Lo, B. (2010). GPS and geocaching in education (First edition.). International Society for Technology in Education.
Citação do estilo Chicago (17ª ed.)Lo, Burt. GPS and Geocaching in Education. First edition. Eugene, Oregon: International Society for Technology in Education, 2010.
Citação MLA (9ª ed.)Lo, Burt. GPS and Geocaching in Education. First edition. International Society for Technology in Education, 2010.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.