MDC Publishers Sdn Bhd. (2006). Penilaian Tahap Kecekapan (PTK). Ulu Kelang, Kuala Lumpur: MDC Publishers Sdn Bhd.
Chicago Style CitationMDC Publishers Sdn Bhd. Penilaian Tahap Kecekapan (PTK). Ulu Kelang, Kuala Lumpur: MDC Publishers Sdn Bhd, 2006.
MLA CitationMDC Publishers Sdn Bhd. Penilaian Tahap Kecekapan (PTK). Ulu Kelang, Kuala Lumpur: MDC Publishers Sdn Bhd, 2006.
Warning: These citations may not always be 100% accurate.