Styl cytowania APA

Spree, R. (1982). The German petite bourgeoisie and the decline of fertility: Some statistical evidence from the late 19th and early 20th centuries. Historical social research. - Zentrum für Historische Sozialforschung e.V.

Styl cytowania Chicago

Spree, Reinhard. "The German Petite Bourgeoisie and the Decline of Fertility: Some Statistical Evidence from the Late 19th and Early 20th Centuries." Historical Social Research. - Zentrum Für Historische Sozialforschung E.V 1982.

Styl cytowania MLA

Spree, Reinhard. "The German Petite Bourgeoisie and the Decline of Fertility: Some Statistical Evidence from the Late 19th and Early 20th Centuries." Historical Social Research. - Zentrum Für Historische Sozialforschung E.V, 1982.