Cross, N., & Roy, R. (1975). Design methods manual. Open University Press.
芝加哥风格引文Cross, Nigel, 与 Robin Roy. Design Methods Manual. Milton Keynes, Eng.: Open University Press, 1975.
MLA引文Cross, Nigel, 与 Robin Roy. Design Methods Manual. Open University Press, 1975.
警告：这些引文格式不一定是100％准确.