Lessenana, Salazar, & Dodson. (1972). Modern mathematics for Filipino students: First year high school. Rex Book Store.
Chicago-referens (17:e uppl.)Lessenana, Salazar, och Dodson. Modern Mathematics for Filipino Students: First Year High School. Manila: Rex Book Store, 1972.
MLA-referens (9:e uppl.)Lessenana, et al. Modern Mathematics for Filipino Students: First Year High School. Rex Book Store, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.