Paño, T. R. (1998). PTM lures foreign buyers of RP tourism packages. Philippine Star.
芝加哥风格引文Paño, Tony R. "PTM Lures Foreign Buyers of RP Tourism Packages." Philippine Star 1998.
MLA引文Paño, Tony R. "PTM Lures Foreign Buyers of RP Tourism Packages." Philippine Star, 1998.
警告：这些引文格式不一定是100％准确.