Penggayaan APA
WELCH, E. B., LINDELL, T.. (1980).
Ecological effects of wastewater : .
London:
E & FN Spon.
Chicago Style
WELCH, E. B., LINDELL, T..
Ecological effects of wastewater :.
London:
E & FN Spon,
1980.
Text.
MLA Style
WELCH, E. B., LINDELL, T..
Ecological effects of wastewater :.
London:
E & FN Spon,
1980.
Text.
Turabian Style
WELCH, E. B., LINDELL, T..
Ecological effects of wastewater :.
London:
E & FN Spon,
1980.
Print.