De Guzman, G. (2011). Ronald's choice [R. Singson]. Philippines Free Press.
Chicagoスタイル(17版)引用形式De Guzman, Guiller. "Ronald's Choice [R. Singson]." Philippines Free Press 2011.
MLA(9版)引用形式De Guzman, Guiller. "Ronald's Choice [R. Singson]." Philippines Free Press, 2011.
警告: この引用は必ずしも正確ではありません.