Gilbert, C., & Niedzwiecka, R. (1986). The historic landscape of Fort Spokane: A design proposal. Cultural Resources Division, Pacific Northwest Region, National Park Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gilbert, Cathy, و Renata Niedzwiecka. The Historic Landscape of Fort Spokane: A Design Proposal. Seattle, Wash.: Cultural Resources Division, Pacific Northwest Region, National Park Service, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gilbert, Cathy, و Renata Niedzwiecka. The Historic Landscape of Fort Spokane: A Design Proposal. Cultural Resources Division, Pacific Northwest Region, National Park Service, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.