Gaya APA
Shuy, J, R. (1973).
LAnguage Palnning : Current Issues and Research .
washington D.C.:
Georgetown Universit Press.
Gaya MLA
Shuy, Joan, Rubin-Roger.
"LAnguage Palnning : Current Issues and Research".
washington D.C.:
Georgetown Universit Press,
1973.
Text.