Citazione Stile APA (7a Edizione)

Ledent, R. (1930). The rational organisation of physical training and its scientific results. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Ledent, René. The Rational Organisation of Physical Training and Its Scientific Results. International Labour Organization, 1930.

Citatione MLA (9a ed.)

Ledent, René. The Rational Organisation of Physical Training and Its Scientific Results. International Labour Organization, 1930.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.