Bergstrom, C. T., & Bergstrom, T. C. (2004). The costs and benefits of library site licenses to academic journals. National Academy of Sciences.
Citação norma ChicagoBergstrom, Carl T., and Theodore C. Bergstrom. The Costs and Benefits of Library Site Licenses to Academic Journals. National Academy of Sciences, 2004.
Citação norma MLABergstrom, Carl T., and Theodore C. Bergstrom. The Costs and Benefits of Library Site Licenses to Academic Journals. National Academy of Sciences, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.