APA

Robbins S. P., . (2016). Supervision today!. : Pearson Education.

Chicago

Robbins Stephen P, . 2016. Supervision today!. : Pearson Education.

Harvard

Robbins S. P., . (2016). Supervision today!. : Pearson Education.

MLA

Robbins Stephen P, . Supervision today!. : Pearson Education. 2016.