APA Format
Bartell, Steven M; Wittrup, Mark B. . (). Risk assessment... : The McArthur river ecological risk assessment: a case study. ( Ket. Lihat halaman 12.1 - 12.21 ) ( Bab. 12 ). : New York McGraw Hill 1996
MLA Format
Bartell, Steven M; Wittrup, Mark B. . Risk assessment... : The McArthur river ecological risk assessment: a case study. ( Ket. Lihat halaman 12.1 - 12.21 ) ( Bab. 12 ). : New York McGraw Hill 1996,
Australian/Harvard Format
Bartell, Steven M; Wittrup, Mark B. . . Risk assessment... : The McArthur river ecological risk assessment: a case study. ( Ket. Lihat halaman 12.1 - 12.21 ) ( Bab. 12 ). New York McGraw Hill 1996, 
Warning: These citations may not always be 100% accurate.