Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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