Ziegler G. Gerhard. (2011). Numerical Distance Protection. Principles and Applications (4th ed.). Erlangen, Publicis Publishing, 2011.
Citazione stile Chigago Style (17a edizione)Ziegler G. Gerhard. Numerical Distance Protection. Principles and Applications. 4th ed. Erlangen, Publicis Publishing, 2011, 2011.
Citatione MLA (9a ed.)Ziegler G. Gerhard. Numerical Distance Protection. Principles and Applications. 4th ed. Erlangen, Publicis Publishing, 2011, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.