SYAM Hardy. (1988). Seratus lima puluh macam gangguan cassette recorder circuit jilid II. Jakarta: Bina Aksara.
Dyfyniad Arddull ChicagoSYAM Hardy. Seratus Lima Puluh Macam Gangguan Cassette Recorder Circuit Jilid II. Jakarta: Bina Aksara, 1988.
Dyfyniad MLASYAM Hardy. Seratus Lima Puluh Macam Gangguan Cassette Recorder Circuit Jilid II. Jakarta: Bina Aksara, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.