APA
Johnstone B., . (2000). Qualitative methods in sociolinguistics. New York: Oxford University Press.
Chicago
Johnstone Barbara, . 2000. Qualitative methods in sociolinguistics. New York: Oxford University Press.
Harvard
Johnstone B., . (2000). Qualitative methods in sociolinguistics. New York: Oxford University Press.
MLA
Johnstone Barbara, . Qualitative methods in sociolinguistics. New York: Oxford University Press. 2000.