Citace podle APA (7th ed.)

VALENTI JACK. (1982). SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. WILLIAM MORROW.

Citace podle Chicago (17th ed.)

VALENTI JACK. SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. NEW YORK: WILLIAM MORROW, 1982.

Citace podle MLA (9th ed.)

VALENTI JACK. SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. WILLIAM MORROW, 1982.

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