Bancroft, W. J. (1999). Suggestopedia and language acquisition: Variations on a theme. Gordon and Breach Publishers.
Lua i Stíl Chicago (17ú heag.)Bancroft, W. Jane. Suggestopedia and Language Acquisition: Variations on a Theme. Amsterdam: Gordon and Breach Publishers, 1999.
Lua MLA (9ú heag.)Bancroft, W. Jane. Suggestopedia and Language Acquisition: Variations on a Theme. Gordon and Breach Publishers, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.