Open University. (1971). Complex numbers prepared by the Mathematics Foundation Course Team. Open University Press.
芝加哥风格引文Open University. Complex Numbers Prepared by the Mathematics Foundation Course Team. Bletchley (Walton Hall, Bletchley, Bucks.): Open University Press, 1971.
MLA引文Open University. Complex Numbers Prepared by the Mathematics Foundation Course Team. Open University Press, 1971.
警告：这些引文格式不一定是100％准确.