Styl cytowania APA

Knop, W., & Lyttelton, O. (1939). Germany's economic situation in 1939 and her challenge to the world. Friends of Europe.

Styl cytowania Chicago

Knop, W.G.J, i Oliver Lyttelton. Germany's Economic Situation in 1939 and Her Challenge to the World. London: Friends of Europe, 1939.

Styl cytowania MLA

Knop, W.G.J, i Oliver Lyttelton. Germany's Economic Situation in 1939 and Her Challenge to the World. Friends of Europe, 1939.