Gaya APA
Len, E.
(1993).
English enrichment exercises primary 6 / Editor,Evelyn Len
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Len, Evelyn.
"English enrichment exercises primary 6 / Editor,Evelyn Len".
Jakarta:
Binarupa Aksara,
1993.
Text.