Gaya APA
Economic System Under 'Umar The Great. (1977).
Lahore:
SH Muhammad Ashraf.
Gaya Chicago
Economic System Under 'Umar The Great.
Ed.2.
Lahore:
SH Muhammad Ashraf,
1977.
.
Gaya MLA
Economic System Under 'Umar The Great.
Ed.2.
Lahore:
SH Muhammad Ashraf,
1977.
.
Gaya Turabian
Economic System Under 'Umar The Great.
Lahore:
SH Muhammad Ashraf,
1977.
.