Okky Madasari
Gramedia Pustaka Utama, 2016
Buku Teks
American Library Association, 1988
Buku Referensi
Artikel Jurnal
Nazareth, Pascal Alan
arvodaya International Trust : Gandhi Centre of Science & Human Values, Bharatiya Vidya Bhavan, 2006
Buku Teks
Artikel Jurnal