Gaya APA
Easton, L, B., Klein, M. (1984).
Expressways: a basal language program skillmasters .
Oklahoma:
The Economy Company.
Gaya MLA
Easton, Lois, Brown.., Klein, Marvin..
"Expressways: a basal language program skillmasters".
Oklahoma:
The Economy Company,
1984.
Printed Book.