(1991). Economic and Societal Factors Instructional Guide. Spanish Student Materials Mary W. Hendrix and Others. [microform].
Citace podle Chicago (17th ed.)Economic and Societal Factors Instructional Guide. Spanish Student Materials Mary W. Hendrix and Others. [microform]. 1991.
Citace podle MLA (9th ed.)Economic and Societal Factors Instructional Guide. Spanish Student Materials Mary W. Hendrix and Others. [microform]. 1991.
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