(1997). Sistem perhubungan. Petaling Jaya: Penerbit Mikamas.
Chicago Style CitationSistem Perhubungan. Petaling Jaya: Penerbit Mikamas, 1997.
MLA CitationSistem Perhubungan. Petaling Jaya: Penerbit Mikamas, 1997.
Warning: These citations may not always be 100% accurate.