Gaya APA

Herink, R. (1980). The Psychotherapy Handbook : The a to z guide to more than 250 different therapies in use today (Ed.1). USA: Foreword.

Gaya MLA

Herink, Richie. "The Psychotherapy Handbook : The a to z guide to more than 250 different therapies in use today". Ed.1 USA: Foreword, 1980. Buku PSI.