British Broadcasting Corporation & Peck, A. (1977). Kontakte. Notes for teachers. Units 1-25 (2nd ed.). British Broadcasting Corporation.
芝加哥风格引文British Broadcasting Corporation 与 Antony Peck. Kontakte. Notes for Teachers. Units 1-25. 2nd ed. London: British Broadcasting Corporation, 1977.
MLA引文British Broadcasting Corporation 与 Antony Peck. Kontakte. Notes for Teachers. Units 1-25. 2nd ed. British Broadcasting Corporation, 1977.
警告:这些引文格式不一定是100%准确.