APA ציטוט

Ury, W. (2007). The power of a positive No: How to say No and still get to Yes. Bantam Books.

Chicago Style (17th ed.) Citation

Ury, William. The Power of a Positive No: How to Say No and Still Get to Yes. New York: Bantam Books, 2007.

ציטוט MLA

Ury, William. The Power of a Positive No: How to Say No and Still Get to Yes. Bantam Books, 2007.