Turner, M., & Gray, S. (2024). Weeds of the Pacific Northwest: 368 unwanted plants and how to control them. Timber Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Turner, Mark, و Sami Gray. Weeds of the Pacific Northwest: 368 Unwanted Plants and How to Control Them. Portland, Oregon: Timber Press, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Turner, Mark, و Sami Gray. Weeds of the Pacific Northwest: 368 Unwanted Plants and How to Control Them. Timber Press, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.