Boas, R. P., & Boas, H. P. (1996). A primer of real functions (4th ed.). Mathematical Association of America.
芝加哥风格引文Boas, Ralph P., 与 Harold P. Boas. A Primer of Real Functions. 4th ed. [Washington, D.C.]: Mathematical Association of America, 1996.
MLA引文Boas, Ralph P., 与 Harold P. Boas. A Primer of Real Functions. 4th ed. Mathematical Association of America, 1996.
警告：这些引文格式不一定是100％准确.