Gaya APA
Ilyas, M.
(1997).
Astronomy of Islamic times for twenty-first century
.
Kuala Lumpur:
A.S. Noordeen.
Gaya MLA
Ilyas, Muhammad.
"Astronomy of Islamic times for twenty-first century".
Kuala Lumpur:
A.S. Noordeen,
1997.
Buku.