Gregorio, L. (2002). Tres kada. [Beerkada Works Enterprises].
Chicago Style (17th ed.) CitationGregorio, Lyndon. Tres Kada. Mandaluyong City: [Beerkada Works Enterprises], 2002.
MLA引文Gregorio, Lyndon. Tres Kada. [Beerkada Works Enterprises], 2002.
警告:這些引文格式不一定是100%准確.