Langevich, H. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.
Chicago-Zitierstil (17. Ausg.)Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.
MLA-Zitierstil (8. Ausg.)Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.