Cornelius, E. T. J. (1990). American business English. Vol. 3. Programs 21 - 30. Úlehla.
Chicago Style (17th ed.) CitationCornelius, Edwin T. Jr. American Business English. Vol. 3. Programs 21 - 30. Praha: Úlehla, 1990.
MLA (9th ed.) CitationCornelius, Edwin T. Jr. American Business English. Vol. 3. Programs 21 - 30. Úlehla, 1990.
Warning: These citations may not always be 100% accurate.