Gustafson, R., & Frisk, P. D. (1996). Beginning and intermediate algebra: An integrated approach. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Gustafson, R.David, agus Peter D. Frisk. Beginning and Intermediate Algebra: An Integrated Approach. Pacific Grove: Brooks/Cole, 1996.
Lua MLA (9ú heag.)Gustafson, R.David, agus Peter D. Frisk. Beginning and Intermediate Algebra: An Integrated Approach. Brooks/Cole, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.