Keenan, E. P., & Dressler, I. (1990). Integrated mathematics: Course II (Second edition.). Amsco School Publications.
Cita Chicago (17th ed.)Keenan, Edward P., i Isidore Dressler. Integrated Mathematics: Course II. Second edition. New York: Amsco School Publications, 1990.
Cita MLA (8th ed.)Keenan, Edward P., i Isidore Dressler. Integrated Mathematics: Course II. Second edition. Amsco School Publications, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.