Glencoe Publishing Co & Foster, D. (1999). Interactive mathematics: Activities & investigations (Student resource book.). Glencoe/McGraw Hill.
Citazione stile Chigago Style (17a edizione)Glencoe Publishing Co e David Foster. Interactive Mathematics: Activities & Investigations. Student resource book. New York: Glencoe/McGraw Hill, 1999.
Citatione MLA (8a ed.)Glencoe Publishing Co e David Foster. Interactive Mathematics: Activities & Investigations. Student resource book. Glencoe/McGraw Hill, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.