Umaña Aguiar, J., & Umaña Aguiar, J. (1981). Variable vibrants in middle-class Costa Rican Spanish. Washington: J. Umaña.
Chicago Style CitationUmaña Aguiar, Jeanina, and Jeanina Umaña Aguiar. Variable Vibrants in Middle-class Costa Rican Spanish. Washington: J. Umaña, 1981.
MLA CitationUmaña Aguiar, Jeanina, and Jeanina Umaña Aguiar. Variable Vibrants in Middle-class Costa Rican Spanish. Washington: J. Umaña, 1981.
Warning: These citations may not always be 100% accurate.