APA
WASHINGTON E. P. A. W. P. o., WASHINGTON E. P. A. W. P. o., . (1972). Report to Congress on water pollution control manpower development and training activities. Washington: US Govt. USA.
Chicago
WASHINGTON ENVIRONMENTAL PROTECTION AGENCY WATER PROGRAMS(Office of-), WASHINGTON ENVIRONMENTAL PROTECTION AGENCY WATER PROGRAMS(Office of-), . 1972. Report to Congress on water pollution control manpower development and training activities. Washington: US Govt. USA.
Harvard
WASHINGTON E. P. A. W. P. o., WASHINGTON E. P. A. W. P. o., . (1972). Report to Congress on water pollution control manpower development and training activities. Washington: US Govt. USA.
MLA
WASHINGTON ENVIRONMENTAL PROTECTION AGENCY WATER PROGRAMS(Office of-), WASHINGTON ENVIRONMENTAL PROTECTION AGENCY WATER PROGRAMS(Office of-), . Report to Congress on water pollution control manpower development and training activities. Washington: US Govt. USA. 1972.
