Gaya APA
An Economic Framework of Singapore. (1990).
Sleman, Yogyakarta:
[s.n.].
Gaya Chicago
An Economic Framework of Singapore.
.
Sleman, Yogyakarta:
[s.n.],
1990.
Text.
Gaya MLA
An Economic Framework of Singapore.
.
Sleman, Yogyakarta:
[s.n.],
1990.
Text.
Gaya Turabian
An Economic Framework of Singapore.
Sleman, Yogyakarta:
[s.n.],
1990.
Print.