Biggs, M., & Biggs, V. (1987). Reference Collection Development in Academic Libraries: Report of a Survey.
Citazione stile Chigago Style (17a edizione)Biggs, Mary, e Victor Biggs. Reference Collection Development in Academic Libraries: Report of a Survey. 1987.
Citatione MLA (9a ed.)Biggs, Mary, e Victor Biggs. Reference Collection Development in Academic Libraries: Report of a Survey. 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.