APA (7th ed.) Citation

KENCH, A. (1991). The language of english business letters: Commercial correspondence for foreign students of english. Macmillan publishers.

Chicago Style (17th ed.) Citation

KENCH, A. The Language of English Business Letters: Commercial Correspondence for Foreign Students of English. London: Macmillan publishers, 1991.

MLA (8th ed.) Citation

KENCH, A. The Language of English Business Letters: Commercial Correspondence for Foreign Students of English. Macmillan publishers, 1991.

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