Sarangani, D. D. A. (1977). Islamic penetration in Mindanao and Sulu: A preliminary study. University Research Center, Mindanao State University.
Lua i Stíl Chicago (17ú heag.)Sarangani, Datumanong Di. A. Islamic Penetration in Mindanao and Sulu: A Preliminary Study. Marawi City: University Research Center, Mindanao State University, 1977.
Lua MLA (9ú heag.)Sarangani, Datumanong Di. A. Islamic Penetration in Mindanao and Sulu: A Preliminary Study. University Research Center, Mindanao State University, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.