Gregor, J., & Fraser, W. C. (1981). A University of Windsor Experience with an Approval Plan in Three Subjects and Three Vendors.
Citazione stile Chigago Style (17a edizione)Gregor, Jan, e Wendy Carol Fraser. A University of Windsor Experience with an Approval Plan in Three Subjects and Three Vendors. 1981.
Citatione MLA (9a ed.)Gregor, Jan, e Wendy Carol Fraser. A University of Windsor Experience with an Approval Plan in Three Subjects and Three Vendors. 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.