Perkinson, G. E. (1975). If the Truth Be Told; Some Reflections on the Functions of Library Public Relations.
Citazione stile Chigago Style (17a edizione)Perkinson, Grace E. If the Truth Be Told; Some Reflections on the Functions of Library Public Relations. 1975.
Citatione MLA (9a ed.)Perkinson, Grace E. If the Truth Be Told; Some Reflections on the Functions of Library Public Relations. 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.