Gaya APA
Muhammad, Q, I.
(2002).
Kebijakan Ekonomi Umar bin Khaththab
(
cet. 1)
.
Jakarta_:
Pustaka azzam _2.
Gaya MLA
Muhammad, Quth, Ibrahim.
"Kebijakan Ekonomi Umar bin Khaththab".
cet. 1
Jakarta_:
Pustaka azzam _2,
2002.
Buku Teks.