姜玲 & 贺湘辉. (2007). 公卫清洁员工作手册: Public Area Attendant Workbook. 广东经济出版社.
Chicago Style (17th ed.) Citation姜玲 and 贺湘辉. 公卫清洁员工作手册: Public Area Attendant Workbook. 广东经济出版社, 2007.
MLA (8th ed.) Citation姜玲 and 贺湘辉. 公卫清洁员工作手册: Public Area Attendant Workbook. 广东经济出版社, 2007.
Warning: These citations may not always be 100% accurate.