APA (7e ed.) Bronvermelding

Mercantile Agency (New York, N.Y.), & R.G. Dun & Company. (1930). The Mercantile Agency reference book (and key): With a list of banks and bankers, state collection laws, maps, etc ([Wisconsin ed.].). R.G. Dun & Co..

Chicago (17e ed.) Bronvermelding

Mercantile Agency (New York, N.Y.), en R.G. Dun & Company. The Mercantile Agency Reference Book (and Key): With a List of Banks and Bankers, State Collection Laws, Maps, Etc. [Wisconsin ed.]. New York: R.G. Dun & Co., 1930.

MLA (8e ed.) Bronvermelding

Mercantile Agency (New York, N.Y.), en R.G. Dun & Company. The Mercantile Agency Reference Book (and Key): With a List of Banks and Bankers, State Collection Laws, Maps, Etc. [Wisconsin ed.]. R.G. Dun & Co., 1930.