APA (7e ed.) Bronvermelding
Friedlaender, A. (1989). German in three months. Hugo's Language Books Ltd..
Chicago (17e ed.) Bronvermelding
Friedlaender, Ann. German in Three Months. Britain: Hugo's Language Books Ltd., 1989.
MLA (9e ed.) Bronvermelding
Friedlaender, Ann. German in Three Months. Hugo's Language Books Ltd., 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.