Guterson, D., & Gibbens, J. (2019). Turn around time: A walking poem for the Pacific Northwest. Mountaineers Books Distributed in the United Kingdom by Cordee.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guterson, David, و Justin Gibbens. Turn Around Time: A Walking Poem for the Pacific Northwest. Seattle, WA : [Leicester]: Mountaineers Books Distributed in the United Kingdom by Cordee, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Guterson, David, و Justin Gibbens. Turn Around Time: A Walking Poem for the Pacific Northwest. Mountaineers Books Distributed in the United Kingdom by Cordee, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.