APA Format
Becker, Charles E. . (). Occupational...: Fundamentals of occupational health practice, ( Ket. lihat bab. 8 ) ( halaman 97-104 ). : Itasca, Ill National Safety Council 1994
MLA Format
Becker, Charles E. . Occupational...: Fundamentals of occupational health practice, ( Ket. lihat bab. 8 ) ( halaman 97-104 ). : Itasca, Ill National Safety Council 1994,
Australian/Harvard Format
Becker, Charles E. . . Occupational...: Fundamentals of occupational health practice, ( Ket. lihat bab. 8 ) ( halaman 97-104 ). Itasca, Ill National Safety Council 1994, 
Warning: These citations may not always be 100% accurate.