Hastings, H. (2008). Improve Your Marketing to Grow Your Business Insights and Innovation that Drive Business and Brand Growth. Pearson.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hastings, Hunter. Improve Your Marketing to Grow Your Business Insights and Innovation That Drive Business and Brand Growth. Pearson, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hastings, Hunter. Improve Your Marketing to Grow Your Business Insights and Innovation That Drive Business and Brand Growth. Pearson, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.