Gaya APA
Fjeld, R, A., L, I, E, N, A, I, C, K. (2007).
Quantitative environmental risk analysis for human health .
New Jersey:
.
Gaya MLA
Fjeld, Robert, A., L, I., Eisenberg,, Norman, A, II., Compton,, Keith.
"Quantitative environmental risk analysis for human health".
New Jersey:
,
2007.
.