Peterka, D. (2018). Rails of the Northwest through time. Published by Arcadia Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Peterka, Dale. Rails of the Northwest Through Time. [Place of publication not identified]: Published by Arcadia Publishing, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Peterka, Dale. Rails of the Northwest Through Time. Published by Arcadia Publishing, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.