PDF reference : Adobe Portable Document Format, version 1.6 ; [Format used by Adobe Acrobat 7], 2005. . 5. ed. Berkeley, CA: Adobe Press. ISBN 0321304748.
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American Psychological Association 7th editionPDF reference : Adobe Portable Document Format, version 1.6 ; [Format used by Adobe Acrobat 7] (5. ed.). (ca. 2005). [Book]. Adobe Press.
Springer - Basic (author-date)(2005) PDF reference : Adobe Portable Document Format, version 1.6 ; [Format used by Adobe Acrobat 7], 5. ed. Adobe Press, Berkeley, CA
Juristische Zitierweise (Stüber) (Deutsch)PDF reference : Adobe Portable Document Format, version 1.6 ; [Format used by Adobe Acrobat 7], 5. ed. , Berkeley, CA 2005.