Adler, B., Jr. (2014). Outwitting squirrels: 101 cunning stratagems to reduce dramatically the egregious misappropriation of seed from your birdfeeder by squirrels (3rd edition.). Chicago Review Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Adler, Bill, Jr. Outwitting Squirrels: 101 Cunning Stratagems to Reduce Dramatically the Egregious Misappropriation of Seed from Your Birdfeeder by Squirrels. 3rd edition. Chicago, Illinois: Chicago Review Press, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Adler, Bill, Jr. Outwitting Squirrels: 101 Cunning Stratagems to Reduce Dramatically the Egregious Misappropriation of Seed from Your Birdfeeder by Squirrels. 3rd edition. Chicago Review Press, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.