APA-ийн эшлэл(7 дахь хэвлэлт)

Spence, G. (2005). Win Your Case: How to Present, Persuade, and Prevail-Every Place, Every Time (Audio Book). HarperCollins.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Spence, Gerry. Win Your Case: How to Present, Persuade, and Prevail-Every Place, Every Time (Audio Book). USA: HarperCollins, 2005.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Spence, Gerry. Win Your Case: How to Present, Persuade, and Prevail-Every Place, Every Time (Audio Book). HarperCollins, 2005.