Gaya APA
First Things First Student Book An Integrated Course For Beginners. (1975).
Jakata:
[s.n.].
Gaya Chicago
First Things First Student Book An Integrated Course For Beginners.
; 1.
Jakata:
[s.n.],
1975.
Text.
Gaya MLA
First Things First Student Book An Integrated Course For Beginners.
; 1.
Jakata:
[s.n.],
1975.
Text.
Gaya Turabian
First Things First Student Book An Integrated Course For Beginners.
Jakata:
[s.n.],
1975.
Print.