Kral, T. (1989). Portraits in words. English language programs division bureau of educational and cultural affairs.
Citace podle Chicago (17th ed.)Kral, Thomas. Portraits in Words. Washington, Estados Unidos: English language programs division bureau of educational and cultural affairs, 1989.
Citace podle MLA (9th ed.)Kral, Thomas. Portraits in Words. English language programs division bureau of educational and cultural affairs, 1989.
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