Roberts, M. R. (1979). Roles of the public and private senior high school principals in Liberia, Africa. [publisher not identified].
Chicago Style (17th ed.) CitationRoberts, Maria Rosalita. Roles of the Public and Private Senior High School Principals in Liberia, Africa. [Place of publication not identified]: [publisher not identified], 1979.
MLA (9th ed.) CitationRoberts, Maria Rosalita. Roles of the Public and Private Senior High School Principals in Liberia, Africa. [publisher not identified], 1979.
Warning: These citations may not always be 100% accurate.