Estupigan, R. (1998). Summer spectacular at historical CALABARZON. Manila Bulletin.
Cita Chicago (17th ed.)Estupigan, Ruth. "Summer Spectacular at Historical CALABARZON." Manila Bulletin 1998.
Cita MLA (9th ed.)Estupigan, Ruth. "Summer Spectacular at Historical CALABARZON." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.