Gaya APA
Kheng-Hor, K.
(2002).
Applying Sun Tzu's art of war in selling.
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Subang Jaya:
Subang Jaya Pelanduk Publ.
Gaya MLA
Kheng-Hor, Khoo.
"Applying Sun Tzu's art of war in selling. ".
Subang Jaya:
Subang Jaya Pelanduk Publ,
2002.
Buku.