APA
Earl J. F., . (1972). Audio technician's bench manual. London: Fountain Press.
Chicago
Earl John Fl, . 1972. Audio technician's bench manual. London: Fountain Press.
Harvard
Earl J. F., . (1972). Audio technician's bench manual. London: Fountain Press.
MLA
Earl John Fl, . Audio technician's bench manual. London: Fountain Press. 1972.