APA
Kerr D. R., . (1980). Basic Mathematics. New York: McGraw book Co.
Chicago
Kerr Donald R, . 1980. Basic Mathematics. New York: McGraw book Co.
Harvard
Kerr D. R., . (1980). Basic Mathematics. New York: McGraw book Co.
MLA
Kerr Donald R, . Basic Mathematics. New York: McGraw book Co. 1980.
