Gaya APA
Len, Evelyn. (1989).
Secondary vocabulary: guide and practice .
Jakarta:
Bina Rupa Aksara.
Gaya Chicago
Len, Evelyn.
Secondary vocabulary: guide and practice.
Jakarta:
Bina Rupa Aksara,
1989.
Text.
Gaya MLA
Len, Evelyn.
Secondary vocabulary: guide and practice.
Jakarta:
Bina Rupa Aksara,
1989.
Text.
Gaya Turabian
Len, Evelyn.
Secondary vocabulary: guide and practice.
Jakarta:
Bina Rupa Aksara,
1989.
Print.