Bongcac, Cris Evert Lato Doris C. (January 19, 2009). "Tangub wins". Cebu Daily News/Daily Inquirer. Archived from the original on March 18, 2009. Retrieved February 26, 2009.
Giang, Hương (September 11, 2008). "Hoa hậu Trái đất diện áo dài". Theo Ngoisao/Báo Việt Nam. Archived from the original on November 5, 2008. Retrieved November 30, 2008.
Giang, Hương (September 11, 2008). "Hoa hậu Trái đất diện áo dài". Theo Ngoisao/Báo Việt Nam. Archived from the original on November 5, 2008. Retrieved November 30, 2008.
Bongcac, Cris Evert Lato Doris C. (January 19, 2009). "Tangub wins". Cebu Daily News/Daily Inquirer. Archived from the original on March 18, 2009. Retrieved February 26, 2009.