edited by Benjamin Haggott Beckhart
Ronald Press, 1959
Buku Teks
Java Consult Limited, 2000
Buku Referensi
Crosse, Howard D., author
Prentice-Hall, 1973
Buku Teks
Laili Rahmi, author
UIN Ar-Raniry , 2017
Artikel Jurnal
Laili Rahmi, author
Artikel Jurnal