Gaya APA

Yang, S., Lee, S. (2017). Mathematical reconsideration of number of variables in power flow computation (Electronical engineering ; Volume 99, Issue 1, Mar). : Springer-Verlag Berlin Heidelberg.

Gaya MLA

Yang, Seong-Deog., Lee, Sang-Joong. "Mathematical reconsideration of number of variables in power flow computation". Electronical engineering ; Volume 99, Issue 1, Mar : Springer-Verlag Berlin Heidelberg, 2017. e-journal.