Gaya APA
Robbins, S, P., Hunsaker, P, L. (2012).
Training Interpersonal Skills : Tips for Managing Peole at Work 6'th Ed. (6).
New Jersey:
Prentice Hall.
Gaya MLA
Robbins, Stephen, P.., Hunsaker, Phillip, L..
"Training Interpersonal Skills : Tips for Managing Peole at Work 6'th Ed.".
6
New Jersey:
Prentice Hall,
2012.
Text.