Gaya APA

Sellers, G, R., Swanson, C, P. (NULL). Student guide to accompany understanding college algebra . Columbus:: Columbus: A Bell & Howell; 1979..

Gaya MLA

Sellers, Gene, R.., Swanson, Carl, P.. "Student guide to accompany understanding college algebra". Columbus:: Columbus: A Bell & Howell; 1979., NULL. Text.