Schreurs, P. (1989). Caraga Antigua: 1521-1910. San Carlos Pub., University of San Carlos.
Chicago Style (17th ed.) CitationSchreurs, Peter. Caraga Antigua: 1521-1910. Cebu City: San Carlos Pub., University of San Carlos, 1989.
MLA引文Schreurs, Peter. Caraga Antigua: 1521-1910. San Carlos Pub., University of San Carlos, 1989.
警告:這些引文格式不一定是100%准確.