Gaya APA
Horton, B, J, B, &, F, E. (1974).
urban environmental menagement planning for pollution control .
NewJersey:
Prentice-Hall.
Gaya MLA
Horton, Brian, J.L, Berry, &, Frank, E..
"urban environmental menagement planning for pollution control".
NewJersey:
Prentice-Hall,
1974.
Text.