APA Style
Penketh, J. R., United States. Environmental Protection Agency, Washington, DC.. ().
Factor Finder CDE-ROM :[computer file]. environmental exposure factor & population data finder. .
:
.
Chicago Style
Penketh, J. R., United States. Environmental Protection Agency, Washington, DC..
Factor Finder CDE-ROM :[computer file]. environmental exposure factor & population data finder..
:
,
.
.
MLA Style
Penketh, J. R., United States. Environmental Protection Agency, Washington, DC..
Factor Finder CDE-ROM :[computer file]. environmental exposure factor & population data finder..
:
,
.
.
Turabian Style
Penketh, J. R., United States. Environmental Protection Agency, Washington, DC..
Factor Finder CDE-ROM :[computer file]. environmental exposure factor & population data finder..
:
,
.
.