Παραπομπή APA

Heard, H., & John, G. (1981). Handbook of sports and recreational building design. London: Architectural Press.

Παραπομπή Chicago Style

Heard, Helen, and Geraint John. Handbook of Sports and Recreational Building Design. London: Architectural Press, 1981.

Παραπομπή MLA

Heard, Helen, and Geraint John. Handbook of Sports and Recreational Building Design. London: Architectural Press, 1981.

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