Gaya APA
Piotrovsky, K, M, L.
(1974).
Eletrical machines vol 1
(
ed. 3)
.
Moscow:
MIR Publishers.
Gaya MLA
Piotrovsky, Kostenko, M, L.
"Eletrical machines vol 1".
ed. 3
Moscow:
MIR Publishers,
1974.
Text.