Παραπομπή APA

Hurlock, E. B. (2006). Developmental Psychology: A life-span approach (5th ed.). Tata McGraw-Hill.

Παραπομπή Chicago Style

Hurlock, Elizabeth B. Developmental Psychology: A Life-span Approach. 5th ed. New Delhi: Tata McGraw-Hill, 2006.

Παραπομπή MLA

Hurlock, Elizabeth B. Developmental Psychology: A Life-span Approach. 5th ed. Tata McGraw-Hill, 2006.