Abrera, J. B., & Davis, J. Y. (1980). Application of Programmed Instruction to Teaching of OCLC Data Base Searching.
Citazione stile Chigago Style (17a edizione)Abrera, Josefa B., e Jinnie Y. Davis. Application of Programmed Instruction to Teaching of OCLC Data Base Searching. 1980.
Citatione MLA (9a ed.)Abrera, Josefa B., e Jinnie Y. Davis. Application of Programmed Instruction to Teaching of OCLC Data Base Searching. 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.