Citazione Stile APA (7a Edizione)

Hurlock, E. B. (1980). Development psychology: Alife-span approach (5th. ed.). Mc Graw Hill.

Citazione stile Chigago Style (17a edizione)

Hurlock, Elizabeth B. Development Psychology: Alife-span Approach. 5th. ed. Mc Graw Hill, 1980.

Citatione MLA (9a ed.)

Hurlock, Elizabeth B. Development Psychology: Alife-span Approach. 5th. ed. Mc Graw Hill, 1980.