United States department of agriculture; Economic reserch service, Shoemaker, R., Harwood, J., & Day-Rubenstein, K. (2001). Economic issues in agricultural biotechnology: Agriculture information bulletin number 762.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States department of agriculture; Economic reserch service, Robbin Shoemaker, Joy Harwood, و Kelly Day-Rubenstein. Economic Issues in Agricultural Biotechnology: Agriculture Information Bulletin Number 762. 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States department of agriculture; Economic reserch service, et al. Economic Issues in Agricultural Biotechnology: Agriculture Information Bulletin Number 762. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.