APA Style
MS, I, D, H, S., Reksoatmodjo, T, N.
(2001).
An introduction to sociolinguistics
.
:
Longman.
MLA Style
MS, Ir., Dedy, Heryadi, Sutrisno,., Reksoatmodjo, Tedjo, N..
"An introduction to sociolinguistics".
:
Longman,
2001.
Buku PGSD.