Edward B. Narayanasamy. (1998). Sistem Sokongan: Pustaka Pertama Jualan Langsung ( Judul 4 ). Semangat Helang Sdn Bhd.
Chicago Style (17th ed.) CitationEdward B. Narayanasamy. Sistem Sokongan: Pustaka Pertama Jualan Langsung ( Judul 4 ). Kuala Lumpur: Semangat Helang Sdn Bhd, 1998.
MLA (9th ed.) CitationEdward B. Narayanasamy. Sistem Sokongan: Pustaka Pertama Jualan Langsung ( Judul 4 ). Semangat Helang Sdn Bhd, 1998.
Warning: These citations may not always be 100% accurate.