APA-referens (7:e uppl.)

GOYAL, P. (2001). PRINCIPLES OF CONTROL SYSTEMS. TECHNOVA.

Chicago-referens (17:e uppl.)

GOYAL, P. PRINCIPLES OF CONTROL SYSTEMS. PUNE: TECHNOVA, 2001.

MLA-referens (9:e uppl.)

GOYAL, P. PRINCIPLES OF CONTROL SYSTEMS. TECHNOVA, 2001.