Clapp, V. W., & Jordan, R. T. (1989). "Quantitative Criteria for Adequacy of Academic Library Collections": A Reprint of a C&RL Classic [and] Quantitative Criteria for Adequacy of Academic Library Collections.
Citazione stile Chigago Style (17a edizione)Clapp, Verner W., e Robert T. Jordan. "Quantitative Criteria for Adequacy of Academic Library Collections": A Reprint of a C&RL Classic [and] Quantitative Criteria for Adequacy of Academic Library Collections. 1989.
Citatione MLA (9a ed.)Clapp, Verner W., e Robert T. Jordan. "Quantitative Criteria for Adequacy of Academic Library Collections": A Reprint of a C&RL Classic [and] Quantitative Criteria for Adequacy of Academic Library Collections. 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.