Beyers, W. B., & Lindahl, D. P. (1997). The economic impact of technology-based industries in Washington State: A report prepared for the Technology Alliance, Seattle, WA. Technology Alliance.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beyers, William B., و David P. Lindahl. The Economic Impact of Technology-based Industries in Washington State: A Report Prepared for the Technology Alliance, Seattle, WA. [Seattle, WA]: Technology Alliance, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Beyers, William B., و David P. Lindahl. The Economic Impact of Technology-based Industries in Washington State: A Report Prepared for the Technology Alliance, Seattle, WA. Technology Alliance, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.