Machovec, G. S. (1997). Electronic Licensing Guidelines Adopted by Dutch and German Libraries.
Citazione stile Chigago Style (17a edizione)Machovec, George S. Electronic Licensing Guidelines Adopted by Dutch and German Libraries. 1997.
Citatione MLA (9a ed.)Machovec, George S. Electronic Licensing Guidelines Adopted by Dutch and German Libraries. 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.