Flower, L., & Ackerman, J. (1994). Writers at work: Strategies for communicating in business & professional settings. Harcourt Brace College Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Flower, Linda, و John Ackerman. Writers at Work: Strategies for Communicating in Business & Professional Settings. Fort Worth: Harcourt Brace College Publishers, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Flower, Linda, و John Ackerman. Writers at Work: Strategies for Communicating in Business & Professional Settings. Harcourt Brace College Publishers, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.