Citazione Stile APA (7a Edizione)
Tvrdoň, J. (2004). <The> concept of interregional co-operation in regional arrangement and development of the Danubian Space: Project design.
Citazione stile Chigago Style (17a edizione)
Tvrdoň, Jozef. <The> Concept of Interregional Co-operation in Regional Arrangement and Development of the Danubian Space: Project Design. Bratislava, 2004.
Citatione MLA (9a ed.)
Tvrdoň, Jozef. <The> Concept of Interregional Co-operation in Regional Arrangement and Development of the Danubian Space: Project Design. 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.