Lessenana, Salazar, & Dodson. (1972). Modern mathematics for Filipino students: First year high school. Rex Book Store.
Citazione stile Chigago Style (17a edizione)Lessenana, Salazar, e Dodson. Modern Mathematics for Filipino Students: First Year High School. Manila: Rex Book Store, 1972.
Citatione MLA (9a ed.)Lessenana, et al. Modern Mathematics for Filipino Students: First Year High School. Rex Book Store, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.