Dressler, I., & Keenan, E. P. (1989). Integrated mathematics: Course I (Second edition.). Amsco School Pubns Inc.
Cita Chicago (17th ed.)Dressler, Isidore, i Edward P. Keenan. Integrated Mathematics: Course I. Second edition. New York: Amsco School Pubns Inc, 1989.
Cita MLA (8th ed.)Dressler, Isidore, i Edward P. Keenan. Integrated Mathematics: Course I. Second edition. Amsco School Pubns Inc, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.