CRAIN, S., & LILLO-MARTIN, D. (2001). An introduction to linguistic theory and language acquisition. Balckwell.
芝加哥风格引文CRAIN, Stephen, 与 Diane LILLO-MARTIN. An Introduction to Linguistic Theory and Language Acquisition. Massachusetts: Balckwell, 2001.
MLA引文CRAIN, Stephen, 与 Diane LILLO-MARTIN. An Introduction to Linguistic Theory and Language Acquisition. Balckwell, 2001.
警告：这些引文格式不一定是100％准确.