APA-viite (7. p.)

Cortés Kandler, M. (2015). Sound patterns in the interlanguage of costa rican learners of english: The acquisition of three phonological contrasts. Universidad de Costa Rica.

Chicago-viite (17. p.)

Cortés Kandler, Mariana. Sound Patterns in the Interlanguage of Costa Rican Learners of English: The Acquisition of Three Phonological Contrasts. Costa Rica: Universidad de Costa Rica, 2015.

MLA-viite (9. p.)

Cortés Kandler, Mariana. Sound Patterns in the Interlanguage of Costa Rican Learners of English: The Acquisition of Three Phonological Contrasts. Universidad de Costa Rica, 2015.

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