1.
, . Advanced international English. London: Cassell; 1989.
et . Advanced international English. London : Cassell, 18 mai 1989. ISBN 0-304-31289-4
Brieger Nick & Jackson Andy. (1989). Advanced international English. Cassell.
MLA (8th ed.) CitationBrieger Nick and Jackson Andy. Advanced International English. Cassell, 1989.
Warning: These citations may not always be 100% accurate.