Dartnell Corporation. (1927). The Dartnell advertiser's guide and advertising year book. Dartnell Corp..
Citace podle Chicago (17th ed.)Dartnell Corporation. The Dartnell Advertiser's Guide and Advertising Year Book. New York: Dartnell Corp., 1927.
Citace podle MLA (8th ed.)Dartnell Corporation. The Dartnell Advertiser's Guide and Advertising Year Book. Dartnell Corp., 1927.
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