Cita APA (7th ed.)

HARDI, S. (1992). '150' macam gangguan cassette recorder circuits I. Bumi Aksara.

Cita Chicago (17th ed.)

HARDI, Syam. '150' Macam Gangguan Cassette Recorder Circuits I. Jakarta: Bumi Aksara, 1992.

Cita MLA (9th ed.)

HARDI, Syam. '150' Macam Gangguan Cassette Recorder Circuits I. Bumi Aksara, 1992.