Cunningham, H., & Greene, B. (2002). The business style handbook: An A-to-Z guide for writing on the job with tips from communications experts at the Fortune 500. McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cunningham, Helen, و Brenda Greene. The Business Style Handbook: An A-to-Z Guide for Writing on the Job with Tips from Communications Experts at the Fortune 500. Chicago: McGraw-Hill, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cunningham, Helen, و Brenda Greene. The Business Style Handbook: An A-to-Z Guide for Writing on the Job with Tips from Communications Experts at the Fortune 500. McGraw-Hill, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.