Urdang international. (2020). Urdang international Summer Schools. Theurdang international.
Citazione stile Chigago Style (17a edizione)Urdang international. Urdang International Summer Schools. London: Theurdang international, 2020.
Citatione MLA (9a ed.)Urdang international. Urdang International Summer Schools. Theurdang international, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.