Birdsong, D. (1999). Second language acquisition and the critical period hypothesis. Lawrence Erlbaum Associates.
Chicago Style (17th ed.) CitationBirdsong, David. Second Language Acquisition and the Critical Period Hypothesis. Mahwah: Lawrence Erlbaum Associates, 1999.
MLA引文Birdsong, David. Second Language Acquisition and the Critical Period Hypothesis. Lawrence Erlbaum Associates, 1999.
警告:這些引文格式不一定是100%准確.