APA (7e ed.) Bronvermelding

Kiesel, K., & Bier, J. (1930). Passing through Germany (7th ed.). Terramare Office.

Chicago (17e ed.) Bronvermelding

Kiesel, Karl, en Justus Bier. Passing Through Germany. 7th ed. Berlin: Terramare Office, 1930.

MLA (8e ed.) Bronvermelding

Kiesel, Karl, en Justus Bier. Passing Through Germany. 7th ed. Terramare Office, 1930.