Schenk, G. K. (1954). County ang regional library development. Chiacago: American Library Association.
Trích dẫn kiểu ChicagoSchenk, Gretchen Knief. County Ang Regional Library Development. Chiacago: American Library Association, 1954.
MLA引文Schenk, Gretchen Knief. County Ang Regional Library Development. Chiacago: American Library Association, 1954.
警告:這些引文格式不一定是100%准確.