Keenan, E. P., & Dressler, I. (1990). Integrated mathematics: Course II (Second edition.). Amsco School Publications.
Chicago-viite (17. p.)Keenan, Edward P., ja Isidore Dressler. Integrated Mathematics: Course II. Second edition. New York: Amsco School Publications, 1990.
MLA-viite (8. p.)Keenan, Edward P., ja Isidore Dressler. Integrated Mathematics: Course II. Second edition. Amsco School Publications, 1990.
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