APA ציטוט

Barry Gibbons. (2007). Speak Easy: 52 brilliant ideas for giving stunning speeches. Infinite Ideas.

Chicago Edition Citation

Barry Gibbons. Speak Easy: 52 Brilliant Ideas for Giving Stunning Speeches. Infinite Ideas, 2007.

ציטוט MLA

Barry Gibbons. Speak Easy: 52 Brilliant Ideas for Giving Stunning Speeches. Infinite Ideas, 2007.