Elsbernd, M. E. R., & Others, A. (1990). The Best of OPAC Instruction: A Selected Guide for the Beginner.
Citazione stile Chigago Style (17a edizione)Elsbernd, Mary Ellen Rutledge, e And Others. The Best of OPAC Instruction: A Selected Guide for the Beginner. 1990.
Citatione MLA (9a ed.)Elsbernd, Mary Ellen Rutledge, e And Others. The Best of OPAC Instruction: A Selected Guide for the Beginner. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.