Gaya APA
Ladefoged, P.
(1982).
A course in phonetics
(
Ed.2)
.
NEW YORK:
Harcourt Brace Jovanovich.
Gaya MLA
Ladefoged, Peter.
"A course in phonetics".
Ed.2
NEW YORK:
Harcourt Brace Jovanovich,
1982.
Text.