Watt, William Montgomery, author
Tiara Wacan Yogya, 1990
Buku Teks
Gultom, Mariana Saurmaraya Suryani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1994
UI - Skripsi (Membership)
Rogan, Eugene L., author
Serambi Ilmu Semesta, 2017
Buku Teks
Mustafa As-Siba`i, author
Scott, Foresman, 1948
Buku Teks
Nadwi, Abul Hasan Ali, author
Amarpress, 1987
Buku Teks