Smith, H. (1969). Business is business: An introduction to business enterprise and business english. Dunod.
Citace podle Chicago (17th ed.)Smith, H. Business Is Business: An Introduction to Business Enterprise and Business English. París: Dunod, 1969.
Citace podle MLA (9th ed.)Smith, H. Business Is Business: An Introduction to Business Enterprise and Business English. Dunod, 1969.
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