ORTELL, E. C., & SMITH, S. M. (1973). Arithmetic: Beginning math for college student. Holbrook Press.
芝加哥风格引文ORTELL, Edward C., 与 Sanderson M. SMITH. Arithmetic: Beginning Math for College Student. Boston: Holbrook Press, 1973.
MLA引文ORTELL, Edward C., 与 Sanderson M. SMITH. Arithmetic: Beginning Math for College Student. Holbrook Press, 1973.
警告：这些引文格式不一定是100％准确.