Sitasi

APA Format

. (). Occupational...: Sources of help, ( Ket. lihat bab. 30 ) ( halaman 421-456 ). : Itasca, Ill National Safety Council 1994

MLA Format

. Occupational...: Sources of help, ( Ket. lihat bab. 30 ) ( halaman 421-456 ). : Itasca, Ill National Safety Council 1994,

Australian/Harvard Format

. . Occupational...: Sources of help, ( Ket. lihat bab. 30 ) ( halaman 421-456 ). Itasca, Ill National Safety Council 1994,

Warning: These citations may not always be 100% accurate.