Não informado. (1946). Bulletin of Physical Education. British Association of Advisers and Lectures in Physical Education.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of Physical Education. London: British Association of Advisers and Lectures in Physical Education, 1946.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of Physical Education. British Association of Advisers and Lectures in Physical Education, 1946.
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