Gaya APA
American Life and Institutions. (1998).
Stuttgart:
Ernst Klett Schulbuchverlage.
Gaya Chicago
American Life and Institutions.
Ed. Revisi.
Stuttgart:
Ernst Klett Schulbuchverlage,
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Gaya MLA
American Life and Institutions.
Ed. Revisi.
Stuttgart:
Ernst Klett Schulbuchverlage,
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Gaya Turabian
American Life and Institutions.
Stuttgart:
Ernst Klett Schulbuchverlage,
1998.
.