Gaya APA

Rudolph, H., Metzig, G, M. (2016). Material culture in modern diplomacy from the 15th to the 20th century . Berlin, Germany: De Gruyter Oldenbourg.

Gaya MLA

Rudolph, Harriet., Metzig, Gregor, M.. "Material culture in modern diplomacy from the 15th to the 20th century". Berlin, Germany: De Gruyter Oldenbourg, 2016. Electronic Resource.