Berlin: Presentation of a city. [s.l.]: [s.n.].
Παραπομπή Chicago StyleBerlin: Presentation of a City. [s.l.]: [s.n.].
ציטוט MLABerlin: Presentation of a City. [s.l.]: [s.n.].
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Berlin: Presentation of a city. [s.l.]: [s.n.].
Παραπομπή Chicago StyleBerlin: Presentation of a City. [s.l.]: [s.n.].
ציטוט MLABerlin: Presentation of a City. [s.l.]: [s.n.].