Cortright, S., & Pokriots, W. (1996). Making backyard birdhouses: Attracting, feeding & housing your favorite birds (1st pbk. ed.). Sterling Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cortright, Sandy, و Will Pokriots. Making Backyard Birdhouses: Attracting, Feeding & Housing Your Favorite Birds. 1st pbk. ed. New York: Sterling Pub. Co., 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cortright, Sandy, و Will Pokriots. Making Backyard Birdhouses: Attracting, Feeding & Housing Your Favorite Birds. 1st pbk. ed. Sterling Pub. Co., 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.