Cita APA (7th ed.)
Pieper, R. (1990). Human resource management: An international comparison. W. de Gruyter.
Cita Chicago (17th ed.)
Pieper, Rüdiger. Human Resource Management: An International Comparison. Berlin ; New York: W. de Gruyter, 1990.
Cita MLA (9th ed.)
Pieper, Rüdiger. Human Resource Management: An International Comparison. W. de Gruyter, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.