Gaya APA
Valkenbergh, V.
(1960).
Basic synchros & servomechanisms Part 2
(
Ed. 2)
.
London:
The Technical Press.
Gaya MLA
Valkenbergh, Van.
"Basic synchros & servomechanisms Part 2".
Ed. 2
London:
The Technical Press,
1960.
Text.