Gaya APA
Len,Evelin. (1989).
Secondary vocabulary guide & practice / Evelin Len .
Jakarta:
Inarupa Aksara.
Gaya Chicago
Len,Evelin.
Secondary vocabulary guide & practice / Evelin Len.
Jakarta:
Inarupa Aksara,
1989.
Text.
Gaya MLA
Len,Evelin.
Secondary vocabulary guide & practice / Evelin Len.
Jakarta:
Inarupa Aksara,
1989.
Text.
Gaya Turabian
Len,Evelin.
Secondary vocabulary guide & practice / Evelin Len.
Jakarta:
Inarupa Aksara,
1989.
Print.