Cita APA (7a ed.)

AAMSTRONG. (1999). PID CONTROLLERS. STUDENT BOOK DEPOT.

Cita Chicago Style (17a ed.)

AAMSTRONG. PID CONTROLLERS. MUMBAI: STUDENT BOOK DEPOT, 1999.

Cita MLA (9a ed.)

AAMSTRONG. PID CONTROLLERS. STUDENT BOOK DEPOT, 1999.