Aleksandrova A. J., Timofeeva S. S., & IOP Publishing. Risk Assessment for Stonecutting Enterprises.
Cita Chicago (17th ed.)Aleksandrova A. J., Timofeeva S. S., i IOP Publishing. Risk Assessment for Stonecutting Enterprises.
Cita MLA (9th ed.)Aleksandrova A. J., et al. Risk Assessment for Stonecutting Enterprises.
Atenció: Aquestes cites poden no estar 100% correctes.