371837 Graig, G. J. (1980). Human development. Englewood Cliffs, NJ : Prentice Hall.
Cita Chicago (17th ed.)371837 Graig, Grace J. Human Development. Englewood Cliffs, NJ : Prentice Hall, 1980.
Cita MLA (9th ed.)371837 Graig, Grace J. Human Development. Englewood Cliffs, NJ : Prentice Hall, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.