李镜 & 吴桂玲. (2005). ISO9000 ISO14000 OHSAS18000综合管理体系要求与审核: ISO9000 ISO14000 OHSAS18000 integrated management system requirements and audit. 中国标准出版社.
Čikaški stil citiranja (17. izdanje)李镜 i 吴桂玲. ISO9000 ISO14000 OHSAS18000综合管理体系要求与审核: ISO9000 ISO14000 OHSAS18000 Integrated Management System Requirements and Audit. 中国标准出版社, 2005.
MLA način citiranja (8. izdanje)李镜 i 吴桂玲. ISO9000 ISO14000 OHSAS18000综合管理体系要求与审核: ISO9000 ISO14000 OHSAS18000 Integrated Management System Requirements and Audit. 中国标准出版社, 2005.
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