Thonger, C. (1907). The book of rock and water gardens. J. Lane; J. Lane Company.
Lua i Stíl Chicago (17ú heag.)Thonger, Charles. The Book of Rock and Water Gardens. London, New York: J. Lane; J. Lane Company, 1907.
Lua MLA (8ú heag.)Thonger, Charles. The Book of Rock and Water Gardens. J. Lane; J. Lane Company, 1907.
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