APA
Powell John L, Information retrieval in the field of education & Information retrieval in the field of education. (1974). Report. : .
Chicago
Powell John L, Information retrieval in the field of education and Information retrieval in the field of education. 1974. Report. : .
Harvard
Powell John L, Information retrieval in the field of education and Information retrieval in the field of education. (1974). Report. : .
MLA
Powell John L, Information retrieval in the field of education and Information retrieval in the field of education. Report. : . 1974.
