Dyfyniad APA

Hamilton, B. A., & Brown, E. R. (1973). Libraries and information centers in the Chicago metropolitan area. Illinois Regional Library Council.

Dyfyniad Arddull Chicago

Hamilton, Beth A., and Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Hinsdale: Illinois Regional Library Council, 1973.

Dyfyniad MLA

Hamilton, Beth A., and Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Illinois Regional Library Council, 1973.

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