APA

Clayton (A E) ;Hancock (N N), . (1987). Performance And Design Of Direct Current Machines Ed.3. : .

Chicago

Clayton (A E) ;Hancock (N N), . 1987. Performance And Design Of Direct Current Machines Ed.3. : .

Harvard

Clayton (A E) ;Hancock (N N), . (1987). Performance And Design Of Direct Current Machines Ed.3. : .

MLA

Clayton (A E) ;Hancock (N N), . Performance And Design Of Direct Current Machines Ed.3. : . 1987.