GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS.
芝加哥风格引文GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS. NEW DELHI.
MLA引文GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS.
警告：这些引文格式不一定是100％准确.
APA引文
GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS.
芝加哥风格引文GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS. NEW DELHI.
MLA引文GOPAL. M. DIGITAL CONTROL AND STATE VARIABLE METHODS.