National Association of Broadcasters. Research Group. (1988). Successful radio promotions: From ideas to dollars. National Association of Broadcasters.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Association of Broadcasters. Research Group. Successful Radio Promotions: From Ideas to Dollars. Washington, D.C: National Association of Broadcasters, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Association of Broadcasters. Research Group. Successful Radio Promotions: From Ideas to Dollars. National Association of Broadcasters, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.