Han, B. A. (1995). An etengg: Boheh umos (Tawitawi) site report. University of the Philippines Education Research Program, Center for Integrative and Development Studies.
Čikaški stil citiranja (17. izdanje)Han, Benjamin A. An Etengg: Boheh Umos (Tawitawi) Site Report. [Quezon City]: University of the Philippines Education Research Program, Center for Integrative and Development Studies, 1995.
MLA način citiranja (9. izdanje)Han, Benjamin A. An Etengg: Boheh Umos (Tawitawi) Site Report. University of the Philippines Education Research Program, Center for Integrative and Development Studies, 1995.
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