Hoey, P. O. (1972). Information/Library Statistics as a Management Aid. A Graphic Presentation.
Citazione stile Chigago Style (17a edizione)Hoey, P. O'N. Information/Library Statistics as a Management Aid. A Graphic Presentation. 1972.
Citatione MLA (9a ed.)Hoey, P. O'N. Information/Library Statistics as a Management Aid. A Graphic Presentation. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.