Dyfyniad APA

Brown, J. D. (1961). Manual of library economy rev by R Northwood Lock (7th ed.).

Dyfyniad Arddull Chicago

Brown, James Duff. Manual of Library Economy Rev by R Northwood Lock. 7th ed. 1961.

Dyfyniad MLA

Brown, James Duff. Manual of Library Economy Rev by R Northwood Lock. 7th ed. 1961.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.