Gass, S. M., & Houck, N. (1999). Interlanguage refusals: A cross-cultural study of Japanese-English. Mouton de Gruyter.
Chicago-čujuhus (17. p.)Gass, Susan M., juo Nöel Houck. Interlanguage Refusals: A Cross-cultural Study of Japanese-English. Berlin ; New York: Mouton de Gruyter, 1999.
MLA-čujuhus (9. p.)Gass, Susan M., juo Nöel Houck. Interlanguage Refusals: A Cross-cultural Study of Japanese-English. Mouton de Gruyter, 1999.
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