Cadabona, B. (1998). Nueva Viscaya offers a number of unspoiled natural attractions. Manila Bulletin.
Cita Chicago (17th ed.)Cadabona, Bingo. "Nueva Viscaya Offers a Number of Unspoiled Natural Attractions." Manila Bulletin 1998.
Cita MLA (9th ed.)Cadabona, Bingo. "Nueva Viscaya Offers a Number of Unspoiled Natural Attractions." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.