Παραπομπή APA

Smith, P. W. (1950). The planning, construction and maintenance of playing fields. London: Oxford University Press.

Παραπομπή Chicago Style

Smith, Percy White. The Planning, Construction and Maintenance of Playing Fields. London: Oxford University Press, 1950.

Παραπομπή MLA

Smith, Percy White. The Planning, Construction and Maintenance of Playing Fields. London: Oxford University Press, 1950.

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