Universitas Indonesia, 1996
UI - Skripsi (Membership)
Al-Qardhawy, Yusuf, author
Pustaka Al-Kautsar, 1996
Buku Teks
D. Sudjono
Tarsito, 1974
Buku Teks
Wildan Suyuthi, author
Tatanusa, 2002
Buku Teks
Soedirjo, author
Akademika Pressindo, 1985
Buku Teks