APA
Graham Roberts, . (1999). Safe manual handling : gower health and safety workbook. Gower pub., England: .
Chicago
Graham Roberts, . 1999. Safe manual handling : gower health and safety workbook. Gower pub., England: .
Harvard
Graham Roberts, . (1999). Safe manual handling : gower health and safety workbook. Gower pub., England: .
MLA
Graham Roberts, . Safe manual handling : gower health and safety workbook. Gower pub., England: . 1999.