Cita APA (7th ed.)

Educational Services Inc. African Education Program. (1965). Secondary C one: Geometry (Prelim. ed.). Science Rresearch Associates.

Cita Chicago (17th ed.)

Educational Services Inc. African Education Program. Secondary C One: Geometry. Prelim. ed. Chicago, IL: Science Rresearch Associates, 1965.

Cita MLA (9th ed.)

Educational Services Inc. African Education Program. Secondary C One: Geometry. Prelim. ed. Science Rresearch Associates, 1965.