Hasbún, L. H. (2007). FOSSILIZATION AND ACQUISITION: A STUDY OF LEARNER LANGUAGE. Universidad de Costa Rica.
Chicago Style (17th ed.) CitationHasbún, Leyla Hasbún. FOSSILIZATION AND ACQUISITION: A STUDY OF LEARNER LANGUAGE. Universidad de Costa Rica, 2007.
MLA (9th ed.) CitationHasbún, Leyla Hasbún. FOSSILIZATION AND ACQUISITION: A STUDY OF LEARNER LANGUAGE. Universidad de Costa Rica, 2007.
Warning: These citations may not always be 100% accurate.