Gaya APA

Gandy, D, B. (2001). 30 (Thirty) days to a happy employee : how a simple program of acknowledgment can build trust and loyalty at work . New York: A Freside Book.

Gaya MLA

Gandy, Dottie, Bruce. "30 (Thirty) days to a happy employee : how a simple program of acknowledgment can build trust and loyalty at work". New York: A Freside Book, 2001. Buku/Printed Material.