Sellers, D. Y. (1973). Basic Planning and Budgeting Concepts for Special Libraries.
Citazione stile Chigago Style (17a edizione)Sellers, David Y. Basic Planning and Budgeting Concepts for Special Libraries. 1973.
Citatione MLA (9a ed.)Sellers, David Y. Basic Planning and Budgeting Concepts for Special Libraries. 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.