APA-viite (7. p.)

Educational Services Incorporated. African Education Program. (1963). Basic concepts of mathematics: An introductory text for teachers (Prelim. ed.). Educational Services Program.

Chicago-viite (17. p.)

Educational Services Incorporated. African Education Program. Basic Concepts of Mathematics: An Introductory Text for Teachers. Prelim. ed. Watertown, MA: Educational Services Program, 1963.

MLA-viite (9. p.)

Educational Services Incorporated. African Education Program. Basic Concepts of Mathematics: An Introductory Text for Teachers. Prelim. ed. Educational Services Program, 1963.