Παραπομπή APA

Powell, K., Bryant, R., & Hernandez, C. (1992). Telecommunications Tower, Barcelona architects Sir Norman Foster and Partners. London: Wordsearch.

Παραπομπή Chicago Style

Powell, Kenneth, Richard Bryant, and Carmen Hernandez. Telecommunications Tower, Barcelona Architects Sir Norman Foster and Partners. London: Wordsearch, 1992.

Παραπομπή MLA

Powell, Kenneth, Richard Bryant, and Carmen Hernandez. Telecommunications Tower, Barcelona Architects Sir Norman Foster and Partners. London: Wordsearch, 1992.

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