Παραπομπή APA

Middleton, R. G. (1979). Tape recorder servicing guide. Howard Sams.

Παραπομπή Chicago Style

Middleton, Robert G. Tape Recorder Servicing Guide. Indiana: Howard Sams, 1979.

Παραπομπή MLA

Middleton, Robert G. Tape Recorder Servicing Guide. Howard Sams, 1979.