Bancroft, W. J. (1999). Suggestopedia and language acquisition: Variations on a theme. Gordon and Breach Publishers.
Chicago-referens (17:e uppl.)Bancroft, W. Jane. Suggestopedia and Language Acquisition: Variations on a Theme. Amsterdam: Gordon and Breach Publishers, 1999.
MLA-referens (9:e uppl.)Bancroft, W. Jane. Suggestopedia and Language Acquisition: Variations on a Theme. Gordon and Breach Publishers, 1999.
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