Lua APA (7ú heag.)

Hopper, L. J. (2007). Landscape architectural graphic standards (Student ed.). Wiley.

Lua i Stíl Chicago (17ú heag.)

Hopper, Leonard J. Landscape Architectural Graphic Standards. Student ed. Hoboken, N.J: Wiley, 2007.

Lua MLA (9ú heag.)

Hopper, Leonard J. Landscape Architectural Graphic Standards. Student ed. Wiley, 2007.

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