Khalifa, A. (2010). The expanding forms of preparation and participation.
Citazione stile Chigago Style (17a edizione)Khalifa, Ahmed. The Expanding Forms of Preparation and Participation. 2010.
Citatione MLA (8a ed.)Khalifa, Ahmed. The Expanding Forms of Preparation and Participation. 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.