APA

Blagden J., . (1980). Do we really need libraries?: an assessment of approaches to the evaluation of the performance of libraries. New York: K.G. Saur.

Chicago

Blagden John, . 1980. Do we really need libraries?: an assessment of approaches to the evaluation of the performance of libraries. New York: K.G. Saur.

Harvard

Blagden J., . (1980). Do we really need libraries?: an assessment of approaches to the evaluation of the performance of libraries. New York: K.G. Saur.

MLA

Blagden John, . Do we really need libraries?: an assessment of approaches to the evaluation of the performance of libraries. New York: K.G. Saur. 1980.