Alfonso, I. C. B. (2023). A history of the Sarangani Islands 1521-1921. Project Saysay Inc.
Chicago Style (17th ed.) CitationAlfonso, Ian Christopher B. A History of the Sarangani Islands 1521-1921. Quezon City: Project Saysay Inc, 2023.
ציטוט MLAAlfonso, Ian Christopher B. A History of the Sarangani Islands 1521-1921. Project Saysay Inc, 2023.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.