توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Young Laurie. (2005). Marketing the professional services firm: Applying the principles and the sciences of marketing to the professions. Jogn Wiley.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Young Laurie. Marketing the Professional Services Firm: Applying the Principles and the Sciences of Marketing to the Professions. London: Jogn Wiley, 2005.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Young Laurie. Marketing the Professional Services Firm: Applying the Principles and the Sciences of Marketing to the Professions. Jogn Wiley, 2005.