edited by Gardner Murphy, Lois B. Murphy
Basic Books, 1968
Buku Teks
Lowe, Vincent, author
Times Books International, 1986
Buku Teks
edited by Tan Kok Meng
Select Book, 2000
Buku Teks
edited by Tan Kok Meng
Select Books, 2000
Buku Referensi
edited by Rebecca M. Brown and Deborah S. Hutton
Blackwell, 2006
Buku Teks