Wheelbarger, J. J. (1974). Learning Resources Centers for Schools and Colleges.
Citazione stile Chigago Style (17a edizione)Wheelbarger, Johnny J. Learning Resources Centers for Schools and Colleges. 1974.
Citatione MLA (9a ed.)Wheelbarger, Johnny J. Learning Resources Centers for Schools and Colleges. 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.