Παραπομπή APA

Harris,Margaret, & Butterworth,George. (2002). Developmental Psychology: A Student's Handbook. Psychology Press.

Παραπομπή Chicago Style

Harris,Margaret, και Butterworth,George. Developmental Psychology: A Student's Handbook. NY: Psychology Press, 2002.

Παραπομπή MLA

Harris,Margaret, και Butterworth,George. Developmental Psychology: A Student's Handbook. Psychology Press, 2002.