, S. A. d. H. G. (1977). SPECIAL ENGLISH FOR BUSINESS. Collier Macmillan International Inc.
Chicago Style (17th ed.) Citation, Sharon Abrams dan Hugh G.Wales. SPECIAL ENGLISH FOR BUSINESS. Collier Macmillan International Inc, 1977.
MLA (8th ed.) Citation, Sharon Abrams dan Hugh G.Wales. SPECIAL ENGLISH FOR BUSINESS. Collier Macmillan International Inc, 1977.
Warning: These citations may not always be 100% accurate.