Gaya APA
Bilingualism: basic principles. (1982).
Avon:
Bank House.
Gaya Chicago
Bilingualism: basic principles.
.
Avon:
Bank House,
1982.
Buku.
Gaya MLA
Bilingualism: basic principles.
.
Avon:
Bank House,
1982.
Buku.
Gaya Turabian
Bilingualism: basic principles.
Avon:
Bank House,
1982.
Buku.