Gaya APA
Fishman, J, A. (1975).
Sociolinguistics : a brief introduction/ Joshua A. Fishman .
Massachusetts:
Newbury House Publ..
Gaya MLA
Fishman, Joshua, A..
"Sociolinguistics : a brief introduction/ Joshua A. Fishman".
Massachusetts:
Newbury House Publ.,
1975.
Text.