Gaya APA

salaberry, R, S, Y. (2002). The L2 Acquisition of Tense–Aspect Morphology . Amsterdam: john benjamins b.v..

Gaya MLA

salaberry, Rafael;, Shirai,, Yasuhiro. "The L2 Acquisition of Tense–Aspect Morphology". Amsterdam: john benjamins b.v., 2002. Text.