Gaya APA
OWENS, R, E, J.
(1992).
Language Development: An Introduction
(
3)
.
New York:
Macmillan Publishing Company.
Gaya MLA
OWENS, Robert, E, JR..
"Language Development: An Introduction".
3
New York:
Macmillan Publishing Company,
1992.
Buku Teks.