Cita APA (7th ed.)
Li, P., & Shirai, Y. (2000). The acquisition of lexical and grammatical aspect. Mouton de Gruyter.
Cita Chicago (17th ed.)
Li, Ping, i Yasuhiro Shirai. The Acquisition of Lexical and Grammatical Aspect. Berlin ; New York: Mouton de Gruyter, 2000.
Cita MLA (9th ed.)
Li, Ping, i Yasuhiro Shirai. The Acquisition of Lexical and Grammatical Aspect. Mouton de Gruyter, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.