Irwin, R. (1947). The national library service: By Raymond Irwin. With an Introduction by W. C. Berwick Sayers. Grafton & Co.
Chicago-Zitierstil (17. Ausg.)Irwin, Raymond. The National Library Service: By Raymond Irwin. With an Introduction by W. C. Berwick Sayers. London: Grafton & Co, 1947.
MLA-Zitierstil (9. Ausg.)Irwin, Raymond. The National Library Service: By Raymond Irwin. With an Introduction by W. C. Berwick Sayers. Grafton & Co, 1947.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.