Open University. (1971). Complex numbers prepared by the Mathematics Foundation Course Team. Open University Press.
Citação do estilo Chicago (17ª ed.)Open University. Complex Numbers Prepared by the Mathematics Foundation Course Team. Bletchley (Walton Hall, Bletchley, Bucks.): Open University Press, 1971.
Citação MLA (8ª ed.)Open University. Complex Numbers Prepared by the Mathematics Foundation Course Team. Open University Press, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.