Lawton, B. (1989). Library Instruction Needs Assessment: Designing Survey Instruments.
Citazione stile Chigago Style (17a edizione)Lawton, Bethany. Library Instruction Needs Assessment: Designing Survey Instruments. 1989.
Citatione MLA (9a ed.)Lawton, Bethany. Library Instruction Needs Assessment: Designing Survey Instruments. 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.