Ruff, A. R. (2014). An author & a gardener: The gardens and friendship of Edith Wharton and Laurence Johnston. Windgather Press.
Lua i Stíl Chicago (17ú heag.)Ruff, Allan R. An Author & a Gardener: The Gardens and Friendship of Edith Wharton and Laurence Johnston. Oxford, [England] ; Havertown, Pennsylvania: Windgather Press, 2014.
Lua MLA (9ú heag.)Ruff, Allan R. An Author & a Gardener: The Gardens and Friendship of Edith Wharton and Laurence Johnston. Windgather Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.