Brown, D., Burtness, Paul S., Clark, Alfred T. Effective English for Business Communication,
GAGE, 1982, IX, 403 с. : с табл., сх., 0-7715-0783-6.
Brown, D., Burtness, Paul S., Clark, Alfred T. .
Effective English for Business Communication.
Toronto, Ontario: GAGE, 1982, IX, 403 с. : с табл., сх., 0-7715-0783-6.
Brown, D., Burtness, Paul S., Clark, Alfred T. (1982)
Effective English for Business Communication,
Toronto, Ontario: GAGE, IX, 403 с. : с табл., сх., 0-7715-0783-6
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