Gaya APA
Hwa, Khor Poh. (1994).
Republic of Singapore .
:
s.n..
Gaya Chicago
Hwa, Khor Poh.
Republic of Singapore.
:
s.n.,
1994.
Computer Software.
Gaya MLA
Hwa, Khor Poh.
Republic of Singapore.
:
s.n.,
1994.
Computer Software.
Gaya Turabian
Hwa, Khor Poh.
Republic of Singapore.
:
s.n.,
1994.
Computer Software.