APA Style
INFORMATION, N.
(1970).
DIRECTORY OF SCIENTIFIC AND TECHNHCAL LIBRAIES
(
1)
.
U.A.R:
DOKKI CAIRO.
MLA Style
INFORMATION, NATIONAL.
"DIRECTORY OF SCIENTIFIC AND TECHNHCAL LIBRAIES".
1
U.A.R:
DOKKI CAIRO,
1970.
المصادر المراجع.