Roberts, J. E., Chapman, R. S., & Warren, S. F. (2008). Speech & language development & intervention in Down syndrome & fragile X syndrome. Paul H. Brookes Pub.
Chicagoスタイル(17版)引用形式Roberts, Joanne E., Robin S. Chapman, , Steven F. Warren. Speech & Language Development & Intervention in Down Syndrome & Fragile X Syndrome. Baltimore: Paul H. Brookes Pub, 2008.
MLA(9版)引用形式Roberts, Joanne E., et al. Speech & Language Development & Intervention in Down Syndrome & Fragile X Syndrome. Paul H. Brookes Pub, 2008.
警告: この引用は必ずしも正確ではありません.