APA

Bello I., Britton J. R., . (1982). Contemporary college algebra. New York: Harper & Row Publishers.

Chicago

Bello Ignacio, Britton Jack Rolf, . 1982. Contemporary college algebra. New York: Harper & Row Publishers.

Harvard

Bello I., Britton J. R., . (1982). Contemporary college algebra. New York: Harper & Row Publishers.

MLA

Bello Ignacio, Britton Jack Rolf, . Contemporary college algebra. New York: Harper & Row Publishers. 1982.