APA (7 ম সংস্করণ) উদ্ধৃতি

Sabado, F. P. Paradoxes as learning activities for High School Mathematics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sabado, Federico P. Paradoxes as Learning Activities for High School Mathematics. Quezon City, 1979.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Sabado, Federico P. Paradoxes as Learning Activities for High School Mathematics.