Gaya APA
Len, Evelyn. (1989).
Secondary 2 Vocabulary Guide & Practice .
Jakarta Barat:
Binarupa Aksara.
Gaya Chicago
Len, Evelyn.
Secondary 2 Vocabulary Guide & Practice.
Jakarta Barat:
Binarupa Aksara,
1989.
.
Gaya MLA
Len, Evelyn.
Secondary 2 Vocabulary Guide & Practice.
Jakarta Barat:
Binarupa Aksara,
1989.
.
Gaya Turabian
Len, Evelyn.
Secondary 2 Vocabulary Guide & Practice.
Jakarta Barat:
Binarupa Aksara,
1989.
.