Jersild, A. T., Sawrey, J. M., & Telford, C. W. (1975). Child psychology (7th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Jersild, Arthur Thomas, James M. Sawrey, agus Charles W. Telford. Child Psychology. 7th ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.
Lua MLA (9ú heag.)Jersild, Arthur Thomas, et al. Child Psychology. 7th ed. Prentice-Hall, 1975.
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