Cook, R. M. (1975). The Contact Function of language: The use of language to control the communication channel.
Chicago Style (17th ed.) CitationCook, Ray M. The Contact Function of Language: The Use of Language to Control the Communication Channel. 1975.
MLA (9th ed.) CitationCook, Ray M. The Contact Function of Language: The Use of Language to Control the Communication Channel. 1975.
Warning: These citations may not always be 100% accurate.