APA (7e ed.) Bronvermelding

The Century Co. The century dictionary and cyclopedia. A work of universal reference in all departaments of knowledge with a new atlas of the world: Droop-E.F.G.

Chicago (17e ed.) Bronvermelding

The Century Co. The Century Dictionary and Cyclopedia. A Work of Universal Reference in All Departaments of Knowledge with a New Atlas of the World: Droop-E.F.G.

MLA (8e ed.) Bronvermelding

The Century Co. The Century Dictionary and Cyclopedia. A Work of Universal Reference in All Departaments of Knowledge with a New Atlas of the World: Droop-E.F.G.