WHITEHEAD, D. 30 Jahre Städtepartnerschaft Backnang/Chelmsford. Backnanger Jahrbuch, [S. l.], v. 30, p. 271–272, 2022. DOI: 10.53458/bjb.v30i.5850. Disponível em: https://journals.wlb-stuttgart.de/index.php/bjb/article/view/5850. Acesso em: 18 dez. 2024.