Παραπομπή σε μορφή APA (7η εκδ.)

Allen, R. (2003). The playful way to knowing yourself: A creative workbook to inspire self-discovery. Houghton Mifflin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Allen, Roberta. The Playful Way to Knowing Yourself: A Creative Workbook to Inspire Self-discovery. Boston: Houghton Mifflin, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Allen, Roberta. The Playful Way to Knowing Yourself: A Creative Workbook to Inspire Self-discovery. Houghton Mifflin, 2003.