Gaya APA

Gallagher, F., Jacob, R, F. (1974). Discopering algebra 1: skills practice book . New York: Harcourt Brace Jovanovich.

Gaya MLA

Gallagher, Fran.., Jacob, Russell, F.. "Discopering algebra 1: skills practice book". New York: Harcourt Brace Jovanovich, 1974. Printed Book.