ZULKIFLEY Mohamed. (2002). Aktiviti 5s: Sisih, susun, sapu, seragam dan sentiasa praktik. Utusan Pub..
Chicago Style (17th ed.) CitationZULKIFLEY Mohamed. Aktiviti 5s: Sisih, Susun, Sapu, Seragam Dan Sentiasa Praktik. Kuala Lumpur: Utusan Pub., 2002.
MLA (9th ed.) CitationZULKIFLEY Mohamed. Aktiviti 5s: Sisih, Susun, Sapu, Seragam Dan Sentiasa Praktik. Utusan Pub., 2002.
Warning: These citations may not always be 100% accurate.