Penick, P. (2013). Lawn gone!: Low-maintenance, sustainable, attractive alternatives for your yard. Ten Speed Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPenick, Pam. Lawn Gone!: Low-maintenance, Sustainable, Attractive Alternatives for Your Yard. Berkeley, CA: Ten Speed Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPenick, Pam. Lawn Gone!: Low-maintenance, Sustainable, Attractive Alternatives for Your Yard. Ten Speed Press, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.