APA

Kepner H. S., Johnson D. R. & National Council of Teachers of Mathematics. (1977). Guidelines for the tutor of mathematics: an aid for student tutors, paraprofessionals, and teacher assistants. Reston, Va: National Council of Teachers of Mathematics.

Chicago

Kepner Henry S, Johnson David R and National Council of Teachers of Mathematics. 1977. Guidelines for the tutor of mathematics: an aid for student tutors, paraprofessionals, and teacher assistants. Reston, Va: National Council of Teachers of Mathematics.

Harvard

Kepner H. S., Johnson D. R. and National Council of Teachers of Mathematics. (1977). Guidelines for the tutor of mathematics: an aid for student tutors, paraprofessionals, and teacher assistants. Reston, Va: National Council of Teachers of Mathematics.

MLA

Kepner Henry S, Johnson David R and National Council of Teachers of Mathematics. Guidelines for the tutor of mathematics: an aid for student tutors, paraprofessionals, and teacher assistants. Reston, Va: National Council of Teachers of Mathematics. 1977.