ebrary, Inc, Lange, C., Wolf, G., & Schaefer, U. (2012). Communicative spaces: Variation, contact, and change : papers in honour of Ursula Schaefer. Peter Lang.
芝加哥风格引文ebrary, Inc, Claudia Lange, Göran Wolf, 与 Ursula Schaefer. Communicative Spaces: Variation, Contact, and Change : Papers in Honour of Ursula Schaefer. Frankfurt am Main: Peter Lang, 2012.
MLA引文ebrary, Inc, et al. Communicative Spaces: Variation, Contact, and Change : Papers in Honour of Ursula Schaefer. Peter Lang, 2012.
警告：这些引文格式不一定是100％准确.