APA

Wolf M.R, International institute for educational planning, . (1993). Judging educational research based on experiments and surveys. Paris: IIEP.

Chicago

Wolf M.R, International institute for educational planning, . 1993. Judging educational research based on experiments and surveys. Paris: IIEP.

Harvard

Wolf M.R, International institute for educational planning, . (1993). Judging educational research based on experiments and surveys. Paris: IIEP.

MLA

Wolf M.R, International institute for educational planning, . Judging educational research based on experiments and surveys. Paris: IIEP. 1993.