Gaya APA
Ladefoged, P.
(1982).
A Course in Phonetics
(
Ed 2)
.
USA:
Harcourt Brace Jovanovich,Publishers.
Gaya MLA
Ladefoged, Peter.
"A Course in Phonetics".
Ed 2
USA:
Harcourt Brace Jovanovich,Publishers,
1982.
Text.