Shriver, Sargent, author
Harper & Row, 1964
Buku Teks
edited by Raymond P. Lorion
American Psychology Association, 1996
Buku Teks
Buku Teks
Tagore, Rabindranath, 1861-1941, author
Penguin Books, 1985
Buku Teks
Archiworld, [date of publication not identified]
Buku Referensi