APA

Osborne A., National Council of Teachers of Mathematics, . (1977). An In-service handbook for mathematics education. Reston, Va: National Council of Teachers of Mathematics.

Chicago

Osborne Alan, National Council of Teachers of Mathematics, . 1977. An In-service handbook for mathematics education. Reston, Va: National Council of Teachers of Mathematics.

Harvard

Osborne A., National Council of Teachers of Mathematics, . (1977). An In-service handbook for mathematics education. Reston, Va: National Council of Teachers of Mathematics.

MLA

Osborne Alan, National Council of Teachers of Mathematics, . An In-service handbook for mathematics education. Reston, Va: National Council of Teachers of Mathematics. 1977.