Lua APA (7ú heag.)

ASHWORTH, A. P. (2015). Cost studies of buildings. Routledge.

Lua i Stíl Chicago (17ú heag.)

ASHWORTH, Allan Perera. Cost Studies of Buildings. Routledge, 2015.

Lua MLA (9ú heag.)

ASHWORTH, Allan Perera. Cost Studies of Buildings. Routledge, 2015.

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