Gibbs, J. P., Hunter, M. L., & Sterling, E. J. (2008). Problem-solving in conservation biology and wildlife management: Exercises for class, field, and laboratory (Second edition.). AUWSF.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gibbs, James P., Malcolm L. Hunter, و Eleanor J. Sterling. Problem-solving in Conservation Biology and Wildlife Management: Exercises for Class, Field, and Laboratory. Second edition. Malden: AUWSF, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gibbs, James P., et al. Problem-solving in Conservation Biology and Wildlife Management: Exercises for Class, Field, and Laboratory. Second edition. AUWSF, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.