Benford, J. Q. (1972). Student Library Resource Requirements in Philadelphia; Supplement to Progress Report Covering Phase IV, June 15, 1971 - December 14, 1971.
Citazione stile Chigago Style (17a edizione)Benford, John Q. Student Library Resource Requirements in Philadelphia; Supplement to Progress Report Covering Phase IV, June 15, 1971 - December 14, 1971. 1972.
Citatione MLA (9a ed.)Benford, John Q. Student Library Resource Requirements in Philadelphia; Supplement to Progress Report Covering Phase IV, June 15, 1971 - December 14, 1971. 1972.
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