(2004). Forbes: Tan, Sy among SEA's 40 richest. Philippine Star.
Citación estilo Chicago"Forbes: Tan, Sy Among SEA's 40 Richest." Philippine Star 2004.
Cita MLA"Forbes: Tan, Sy Among SEA's 40 Richest." Philippine Star, 2004.
Warning: These citations may not always be 100% accurate.