Keenan, E. P., & Dressler, I. (1990). Integrated mathematics: Course II (Second edition.). Amsco School Publications.
Citazione stile Chigago Style (17a edizione)Keenan, Edward P., e Isidore Dressler. Integrated Mathematics: Course II. Second edition. New York: Amsco School Publications, 1990.
Citatione MLA (8a ed.)Keenan, Edward P., e Isidore Dressler. Integrated Mathematics: Course II. Second edition. Amsco School Publications, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.