Gaya APA
Beardsmore, H, B.
(1982).
Bilingualism : basic principles / Hugo Baetens Beardsmore
.
Clevedon:
Tieto.
Gaya MLA
Beardsmore, Hugo, Baetens.
"Bilingualism : basic principles / Hugo Baetens Beardsmore".
Clevedon:
Tieto,
1982.
Text.