Zainuddin Zakaria & Ziadatul Hidayah Zakaria. (2006). Kemahiran memimpin. PTS Professional Pub.
Čikaški stil citiranja (17. izdanje)Zainuddin Zakaria i Ziadatul Hidayah Zakaria. Kemahiran Memimpin. Kuala Lumpur: PTS Professional Pub, 2006.
MLA način citiranja (8. izdanje)Zainuddin Zakaria i Ziadatul Hidayah Zakaria. Kemahiran Memimpin. PTS Professional Pub, 2006.
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