Topping, D. M., & Ogo, P. j. a. (1969). Spoken Chamorro: An intensive language course with grammatical notes and glossary. University of Hawaii Press.
Lua i Stíl Chicago (17ú heag.)Topping, Donald M., agus Pedro joint auth Ogo. Spoken Chamorro: An Intensive Language Course with Grammatical Notes and Glossary. Honululu: University of Hawaii Press, 1969.
Lua MLA (9ú heag.)Topping, Donald M., agus Pedro joint auth Ogo. Spoken Chamorro: An Intensive Language Course with Grammatical Notes and Glossary. University of Hawaii Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.