APA način citiranja (7. izdanje)

Friedlaender, A. (1989). German in three months. Hugo's Language Books Ltd..

Čikaški stil citiranja (17. izdanje)

Friedlaender, Ann. German in Three Months. Britain: Hugo's Language Books Ltd., 1989.

MLA način citiranja (9. izdanje)

Friedlaender, Ann. German in Three Months. Hugo's Language Books Ltd., 1989.