Gatmaitan, L. P., Guevara, F., & Paler, L. (2013). Handog kay Isabella. LG & M Corporation.
Chicagoスタイル(17版)引用形式Gatmaitan, Luis P., Ferdinand Guevara, , Letty Paler. Handog Kay Isabella. Quezon City: LG & M Corporation, 2013.
MLA(9版)引用形式Gatmaitan, Luis P., et al. Handog Kay Isabella. LG & M Corporation, 2013.
警告: この引用は必ずしも正確ではありません.