Roth, S. (2008). Backyard bird secrets for every season: Attract a variety of nesting, feeding, and singing birds year-round. Rodale.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roth, Sally. Backyard Bird Secrets for Every Season: Attract a Variety of Nesting, Feeding, and Singing Birds Year-round. Emmaus, Pa.: Rodale, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Roth, Sally. Backyard Bird Secrets for Every Season: Attract a Variety of Nesting, Feeding, and Singing Birds Year-round. Rodale, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.