Gaya APA
Abdullah, A, M, S, B.
(2014).
Jejak Khulafaur Rasyidin, Umar Bin Khathab
.
Jakarta:
Almahira.
Gaya MLA
Abdullah, AL, MAGHLOUTH,, Sami, Bin.
"Jejak Khulafaur Rasyidin, Umar Bin Khathab".
Jakarta:
Almahira,
2014.
Printed Book.