Crossley, J. N. (1987). The emergence of number. Singapore: World Scientific.
Trích dẫn kiểu ChicagoCrossley, J N. The Emergence of Number. Singapore: World Scientific, 1987.
MLA引文Crossley, J N. The Emergence of Number. Singapore: World Scientific, 1987.
警告:這些引文格式不一定是100%准確.