Porter, A. (1950). Introduction to servomechanisms. Methuen.
Čikaški stil citiranjaPorter, Arthur. Introduction to Servomechanisms. London: Methuen, 1950.
MLA način citiranjaPorter, Arthur. Introduction to Servomechanisms. Methuen, 1950.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.