APA

Medrich E. A., Griffith J. E., . (1992). International mathematics and science assessments: what have we learned?. Washington: National Center for Education Statistics.

Chicago

Medrich Elliott A, Griffith Jeanne E, . 1992. International mathematics and science assessments: what have we learned?. Washington: National Center for Education Statistics.

Harvard

Medrich E. A., Griffith J. E., . (1992). International mathematics and science assessments: what have we learned?. Washington: National Center for Education Statistics.

MLA

Medrich Elliott A, Griffith Jeanne E, . International mathematics and science assessments: what have we learned?. Washington: National Center for Education Statistics. 1992.