Holmes, R., Marshall, D., & Brower, F. (2023). Northwest home landscaping: 48 landscape designs : 200+ plants & flowers best suited to the Northwest (Fourth edition.). Creative Homeowner.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Holmes, Roger, Don Marshall, و Felicia Brower. Northwest Home Landscaping: 48 Landscape Designs : 200+ Plants & Flowers Best Suited to the Northwest. Fourth edition. Upper Saddle River, New Jersey: Creative Homeowner, 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Holmes, Roger, et al. Northwest Home Landscaping: 48 Landscape Designs : 200+ Plants & Flowers Best Suited to the Northwest. Fourth edition. Creative Homeowner, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.