Estupigan, R. (1998). Summer spectacular at historical CALABARZON. Manila Bulletin.
Chicagoスタイル(17版)引用形式Estupigan, Ruth. "Summer Spectacular at Historical CALABARZON." Manila Bulletin 1998.
MLA(9版)引用形式Estupigan, Ruth. "Summer Spectacular at Historical CALABARZON." Manila Bulletin, 1998.
警告: この引用は必ずしも正確ではありません.