SCHOU., A. Freeman, Olis W. & Raup, H. F.: Essentials of Geography. 48X25 cm, 487 s., 262 fig. Mc. Graw-Hill Series in Geography. New York, Toronto, London 1949. Geografisk Tidsskrift, [S. l.], v. 52, 1953. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/46129. Acesso em: 27 dec. 2024.