Boyd, G. A. (2009). Family maps of Spokane County, Washington: With homesteads, roads, waterways, towns, cemeteries, railroads, and more (Deluxe ed., 1st ed.). Arphax Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Boyd, Gregory A. Family Maps of Spokane County, Washington: With Homesteads, Roads, Waterways, Towns, Cemeteries, Railroads, and More. Deluxe ed., 1st ed. Norman, Okla.: Arphax Pub. Co., 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Boyd, Gregory A. Family Maps of Spokane County, Washington: With Homesteads, Roads, Waterways, Towns, Cemeteries, Railroads, and More. Deluxe ed., 1st ed. Arphax Pub. Co., 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.