Lua APA (7ú heag.)

JOHNSON, R. (1995). Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International.

Lua i Stíl Chicago (17ú heag.)

JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.

Lua MLA (8ú heag.)

JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.

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