Barnett, R. A., & Ziegler, M. R. (2008). College algebra with trigonometry. Boston: McGraw-Hill Higher Education.
استشهاد بنمط شيكاغوBarnett, Raymond A., و Michael R. Ziegler. College Algebra With Trigonometry. Boston: McGraw-Hill Higher Education, 2008.
MLA استشهادBarnett, Raymond A., و Michael R. Ziegler. College Algebra With Trigonometry. Boston: McGraw-Hill Higher Education, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.