APA
Burton G. M., . (1994). MATHEMATICS PLUS (8). New York: Huracourt & company.
Chicago
Burton Grace M, . 1994. MATHEMATICS PLUS (8). New York: Huracourt & company.
Harvard
Burton G. M., . (1994). MATHEMATICS PLUS (8). New York: Huracourt & company.
MLA
Burton Grace M, . MATHEMATICS PLUS (8). New York: Huracourt & company. 1994.
