Παραπομπή APA

(1969). 1967 census of business: Retail trade : area statistics :. Washington, DC: Government Printing Office.

Παραπομπή Chicago Style

1967 Census of Business: Retail Trade : Area Statistics :. Washington, DC: Government Printing Office, 1969.

Παραπομπή MLA

1967 Census of Business: Retail Trade : Area Statistics :. Washington, DC: Government Printing Office, 1969.

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