Dyfyniad APA

Jersild, A. T., Sawrey, J. M., & Telford, C. W. (1975). Child psychology (7th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Jersild, Arthur Thomas, James M. Sawrey, and Charles W. Telford. Child Psychology. 7th ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.

Dyfyniad MLA

Jersild, Arthur Thomas, et al. Child Psychology. 7th ed. Prentice-Hall, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.