APA-referens (7:e uppl.)

HURLOCK, E. B. (1980). Development psychology: A life-span approach. Tata McGraw-Hill.

Chicago-referens (17:e uppl.)

HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. New Delhi: Tata McGraw-Hill, 1980.

MLA-referens (9:e uppl.)

HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. Tata McGraw-Hill, 1980.