Gaya APA
Brown, Lester R. (1976).
World Population Trend:Sign of Hope, Sign of Stress/Laster R.Brown .
Washington:
Worldwatch Institute.
Gaya Chicago
Brown, Lester R.
World Population Trend:Sign of Hope, Sign of Stress/Laster R.Brown.
Washington:
Worldwatch Institute,
1976.
.
Gaya MLA
Brown, Lester R.
World Population Trend:Sign of Hope, Sign of Stress/Laster R.Brown.
Washington:
Worldwatch Institute,
1976.
.
Gaya Turabian
Brown, Lester R.
World Population Trend:Sign of Hope, Sign of Stress/Laster R.Brown.
Washington:
Worldwatch Institute,
1976.
.