KETTL, D. F. Tsauratu al- Idarah al- A-mah al- A-lamiyyah. Tanpa Penerbit.
Chicago Style (17th ed.) CitationKETTL, Donald F. Tsauratu Al- Idarah Al- A-mah Al- A-lamiyyah. Tanpa Penerbit.
MLA (8th ed.) CitationKETTL, Donald F. Tsauratu Al- Idarah Al- A-mah Al- A-lamiyyah. Tanpa Penerbit.
Warning: These citations may not always be 100% accurate.