APA (7th ed.) Citation

Etherton, A. R. B. (1981). Language work for communication English. Longman.

Chicago Style (17th ed.) Citation

Etherton, A. R. B. Language Work for Communication English. Kuala Lumpur: Longman, 1981.

MLA (9th ed.) Citation

Etherton, A. R. B. Language Work for Communication English. Longman, 1981.

Warning: These citations may not always be 100% accurate.