APA
(1964). Mathematics secondary two: Unit 1 Rational numbers. Watertown: African Education Program, Educational Services Incorporated.
Chicago
1964. Mathematics secondary two: Unit 1 Rational numbers. Watertown: African Education Program, Educational Services Incorporated.
Harvard
(1964). Mathematics secondary two: Unit 1 Rational numbers. Watertown: African Education Program, Educational Services Incorporated.
MLA
Mathematics secondary two: Unit 1 Rational numbers. Watertown: African Education Program, Educational Services Incorporated. 1964.