HURLOCK, E. B. (1980). Development psychology: A life-span approach. Tata McGraw-Hill.
Chicago-čujuhus (17. p.)HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. New Delhi: Tata McGraw-Hill, 1980.
MLA-čujuhus (9. p.)HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. Tata McGraw-Hill, 1980.
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