APA-referens (7:e uppl.)

Han, B. A. (1995). An etengg: Boheh umos (Tawitawi) site report. University of the Philippines Education Research Program, Center for Integrative and Development Studies.

Chicago-referens (17:e uppl.)

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-referens (9:e uppl.)

Han, Benjamin A. An Etengg: Boheh Umos (Tawitawi) Site Report. University of the Philippines Education Research Program, Center for Integrative and Development Studies, 1995.