Cha, Y. K. (1998). Kajian Indeks Keupayaan Proses Bagi Taburan Taknormal.
Chicago Style (17th ed.) CitationCha, Yet Kang. Kajian Indeks Keupayaan Proses Bagi Taburan Taknormal. 1998.
MLA (9th ed.) CitationCha, Yet Kang. Kajian Indeks Keupayaan Proses Bagi Taburan Taknormal. 1998.
Warning: These citations may not always be 100% accurate.