John Sikula, senior editor ; Thomas Buttery, editor, Edith Guyton, editor
Macmillan Library Reference USA, 1996
Buku Referensi
David Ward, Kathleen Scaler Scott, editor
Psychology Press, 2011
Buku Teks
John C. Smart
Springer, 2012
eBooks
Kimberly A.Schonert-Reichl, Robert W. Roeser, editor
Springer, 2016
Buku Teks
edited by John C. Smart
Springer, 2011
Buku Teks