APA-referens (7:e uppl.)

CLAYTON, A. (1990). THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. CBS.

Chicago-referens (17:e uppl.)

CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. DELHI: CBS, 1990.

MLA-referens (9:e uppl.)

CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. CBS, 1990.