APA引文

Leanne, S. Say it like Obama: :the power of speaking with purpose and vision. TMH.

Chicago Edition Citation

Leanne, Shel. Say It like Obama: :the Power of Speaking with Purpose and Vision. 2009: TMH.

MLA引文

Leanne, Shel. Say It like Obama: :the Power of Speaking with Purpose and Vision. TMH.

警告：這些引文格式不一定是100％准確.