Gaya APA
Asyur, M, A. et al
(2002).
Khotbah Dan Wasiat Umar Ibnul Khaththab
.
Jakarta:
Gema Insani Press.
Gaya MLA
Asyur, Muhammmad, Ahmad. et al.
"Khotbah Dan Wasiat Umar Ibnul Khaththab".
Jakarta:
Gema Insani Press,
2002.
Book.