APA
Li P., Yasuhiro Shirai, . (2000). The Acquisition of Lexical and Grammatical Aspect. New York: Mouton de Gruyter.
Chicago
Li Ping, Yasuhiro Shirai, . 2000. The Acquisition of Lexical and Grammatical Aspect. New York: Mouton de Gruyter.
Harvard
Li P., Yasuhiro Shirai, . (2000). The Acquisition of Lexical and Grammatical Aspect. New York: Mouton de Gruyter.
MLA
Li Ping, Yasuhiro Shirai, . The Acquisition of Lexical and Grammatical Aspect. New York: Mouton de Gruyter. 2000.