Gaya APA
Developing Skills : An Integreted Course For Pre-Intermediate Students. (1992).
Jakata:
[s.n.].
Gaya Chicago
Developing Skills : An Integreted Course For Pre-Intermediate Students.
Cet. 15.
Jakata:
[s.n.],
1992.
Text.
Gaya MLA
Developing Skills : An Integreted Course For Pre-Intermediate Students.
Cet. 15.
Jakata:
[s.n.],
1992.
Text.
Gaya Turabian
Developing Skills : An Integreted Course For Pre-Intermediate Students.
Jakata:
[s.n.],
1992.
Print.