APA (7th ed.) Citation

NULMAN. (2000). Just say yes!: Extreme customer service....How to give it! How to get it! Career Press.

Chicago Style (17th ed.) Citation

NULMAN. Just Say Yes!: Extreme Customer Service....How to Give It! How to Get It! New Jersey: Career Press, 2000.

MLA (9th ed.) Citation

NULMAN. Just Say Yes!: Extreme Customer Service....How to Give It! How to Get It! Career Press, 2000.