Gaya APA
Reading intermediate Azfina Lisa Nasution. (1991).
:
.
Gaya Chicago
Reading intermediate Azfina Lisa Nasution.
Cet.2.
:
,
1991.
.
Gaya MLA
Reading intermediate Azfina Lisa Nasution.
Cet.2.
:
,
1991.
.
Gaya Turabian
Reading intermediate Azfina Lisa Nasution.
:
,
1991.
.