Schouten, M. E. H. (1975). Native-language interference in the perception of second-language vowels: An investigation of certain aspects of the acquisition of a second language. s.n..
Citação do estilo Chicago (17ª ed.)Schouten, Marten Egbertus Hendrik. Native-language Interference in the Perception of Second-language Vowels: An Investigation of Certain Aspects of the Acquisition of a Second Language. [s.l.: s.n., 1975.
Citação MLA (8ª ed.)Schouten, Marten Egbertus Hendrik. Native-language Interference in the Perception of Second-language Vowels: An Investigation of Certain Aspects of the Acquisition of a Second Language. s.n., 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.