Cita APA (7a ed.)

Pieper, R. (1990). Human resource management: An international comparison. W. de Gruyter.

Cita Chicago Style (17a ed.)

Pieper, Rüdiger. Human Resource Management: An International Comparison. Berlin ; New York: W. de Gruyter, 1990.

Cita MLA (8a ed.)

Pieper, Rüdiger. Human Resource Management: An International Comparison. W. de Gruyter, 1990.