HARDI, S. (1992). '150' macam gangguan cassette recorder circuits I. Bumi Aksara.
Chicagoスタイル(17版)引用形式HARDI, Syam. '150' Macam Gangguan Cassette Recorder Circuits I. Jakarta: Bumi Aksara, 1992.
MLA(9版)引用形式HARDI, Syam. '150' Macam Gangguan Cassette Recorder Circuits I. Bumi Aksara, 1992.
警告: この引用は必ずしも正確ではありません.