APA引文

ebrary, Inc, & Sgall, P. (1992). Variation in language: Code switching in Czech as a challenge for sociolinguistics. J. Benjamins Pub. Co..

芝加哥风格引文

ebrary, Inc, 与 Petr Sgall. Variation in Language: Code Switching in Czech as a Challenge for Sociolinguistics. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1992.

MLA引文

ebrary, Inc, 与 Petr Sgall. Variation in Language: Code Switching in Czech as a Challenge for Sociolinguistics. J. Benjamins Pub. Co., 1992.

警告：这些引文格式不一定是100％准确.