APA

Mann T, . (1987). A Guide to Library Research Methods. New York; Oxford: Oxford University Press.

Chicago

Mann T, . 1987. A Guide to Library Research Methods. New York; Oxford: Oxford University Press.

Harvard

Mann T, . (1987). A Guide to Library Research Methods. New York; Oxford: Oxford University Press.

MLA

Mann T, . A Guide to Library Research Methods. New York; Oxford: Oxford University Press. 1987.