Barnett, R. A., & Ziegler, M. R. (2008). Precalculus. New York: McGraw Hill Higher Education.
Trích dẫn kiểu ChicagoBarnett, Raymond A., và Michael R. Ziegler. Precalculus. New York: McGraw Hill Higher Education, 2008.
ציטוט MLABarnett, Raymond A., và Michael R. Ziegler. Precalculus. New York: McGraw Hill Higher Education, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.