APA aipamena

Crisostomo, I. T. (1969). The president's secret weapon. Printed by M. Colcol.

Chicago Style aipamena

Crisostomo, Isabelo T. The President's Secret Weapon. Quezon City: Printed by M. Colcol, 1969.

MLA aipamena

Crisostomo, Isabelo T. The President's Secret Weapon. Printed by M. Colcol, 1969.