APA (7e ed.) Bronvermelding
Langan, J. (1995). English skills with readings (3rd ed.). McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Langan, John. English Skills with Readings. 3rd ed. New York: McGraw-Hill, 1995.
MLA (9e ed.) Bronvermelding
Langan, John. English Skills with Readings. 3rd ed. McGraw-Hill, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.