Association for Library Collections & Technical Services. Commercial Technical Services Committee, Wilson, K. A., & Colver, M. (1997). Outsourcing library technical services operations: Practices in academic, public, and special libraries. American Library Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association for Library Collections & Technical Services. Commercial Technical Services Committee, Karen A. Wilson, و Marylou Colver. Outsourcing Library Technical Services Operations: Practices in Academic, Public, and Special Libraries. Chicago: American Library Association, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Association for Library Collections & Technical Services. Commercial Technical Services Committee, et al. Outsourcing Library Technical Services Operations: Practices in Academic, Public, and Special Libraries. American Library Association, 1997.