APA

Robbins S. P., Hunsaker P. L., . (2011). Training in interpersonal skills: tips for managing people at work. New Jersey: Prentice Hall.

Chicago

Robbins Stephen Paul, Hunsaker Phillip L, . 2011. Training in interpersonal skills: tips for managing people at work. New Jersey: Prentice Hall.

Harvard

Robbins S. P., Hunsaker P. L., . (2011). Training in interpersonal skills: tips for managing people at work. New Jersey: Prentice Hall.

MLA

Robbins Stephen Paul, Hunsaker Phillip L, . Training in interpersonal skills: tips for managing people at work. New Jersey: Prentice Hall. 2011.