Spiller, D. (1991). Book selection: Principles and practice (5th ed.). Library Association Publishing.
Citazione stile Chigago Style (17a edizione)Spiller, David. Book Selection: Principles and Practice. 5th ed. London: Library Association Publishing, 1991.
Citatione MLA (9a ed.)Spiller, David. Book Selection: Principles and Practice. 5th ed. Library Association Publishing, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.