APA (7e ed.) Bronvermelding

Ashley, W. J. (1904). The progress of the German working classes in the last quarter of a century. Longman, Green.

Chicago (17e ed.) Bronvermelding

Ashley, W. J. The Progress of the German Working Classes in the Last Quarter of a Century. London ; New York ; Bombay: Longman, Green, 1904.

MLA (8e ed.) Bronvermelding

Ashley, W. J. The Progress of the German Working Classes in the Last Quarter of a Century. Longman, Green, 1904.