Urquhart, J. A., & Schofield, J. L. (1972). Measuring Reader's Failure at the Shelf in Three University Libraries.
Citazione stile Chigago Style (17a edizione)Urquhart, John A., e J. L. Schofield. Measuring Reader's Failure at the Shelf in Three University Libraries. 1972.
Citatione MLA (9a ed.)Urquhart, John A., e J. L. Schofield. Measuring Reader's Failure at the Shelf in Three University Libraries. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.