Hurlock, E. B. (1980). Development psychology: Alife-span approach (5th. ed.). Mc Graw Hill.
Chicago-čujuhus (17. p.)Hurlock, Elizabeth B. Development Psychology: Alife-span Approach. 5th. ed. Mc Graw Hill, 1980.
MLA-čujuhus (9. p.)Hurlock, Elizabeth B. Development Psychology: Alife-span Approach. 5th. ed. Mc Graw Hill, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.