APA-viite (7. p.)
Ngefac, A. (2008). Social differentiation in Cameroon English: Evidence from sociolinguistic fieldwork. Peter Lang.
Chicago-viite (17. p.)
Ngefac, Aloysius. Social Differentiation in Cameroon English: Evidence from Sociolinguistic Fieldwork. New York: Peter Lang, 2008.
MLA-viite (9. p.)
Ngefac, Aloysius. Social Differentiation in Cameroon English: Evidence from Sociolinguistic Fieldwork. Peter Lang, 2008.
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