North-Western State (Nigeria). Ministry of Education and Community Development. Planning and Administrative Division & North-Western State (Nigeria). Ministry of Education. Statistics Section. (1968). Educational statistics in the North-Western State, Nigeria. The Division.
Chicagoスタイル(17版)引用形式North-Western State (Nigeria). Ministry of Education and Community Development. Planning and Administrative Division , North-Western State (Nigeria). Ministry of Education. Statistics Section. Educational Statistics in the North-Western State, Nigeria. Sokoto, North-Western State: The Division, 1968.
MLA(8版)引用形式North-Western State (Nigeria). Ministry of Education and Community Development. Planning and Administrative Division , North-Western State (Nigeria). Ministry of Education. Statistics Section. Educational Statistics in the North-Western State, Nigeria. The Division, 1968.