Kral, T. (2005). Discover America: An integrated skills text for Intermediate/ Advanced students of English as a foreign language. Office of English language programs Bureau of educational and cultural affairs United States Department of State.
Chicago Style (17th ed.) CitationKral, Thomas. Discover America: An Integrated Skills Text for Intermediate/ Advanced Students of English as a Foreign Language. Washington: Office of English language programs Bureau of educational and cultural affairs United States Department of State, 2005.
MLA (8th ed.) CitationKral, Thomas. Discover America: An Integrated Skills Text for Intermediate/ Advanced Students of English as a Foreign Language. Office of English language programs Bureau of educational and cultural affairs United States Department of State, 2005.