Holmes, R., & Marshall, D. (2007). Northwest home landscaping: Including Western British Columbia (New ed.). Creative Homeowner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolmes, Roger, और Don Marshall. Northwest Home Landscaping: Including Western British Columbia. New ed. Upper Saddle River, N.J.: Creative Homeowner, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHolmes, Roger, और Don Marshall. Northwest Home Landscaping: Including Western British Columbia. New ed. Creative Homeowner, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.