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Population Reference Bureau, Inc.. (1979). TIDAK RELEVAN Population bulletin: Resources, environment, and population . Washington, D.C.: Population Reference Bureau, Inc.

Gaya Chicago

Population Reference Bureau, Inc.. TIDAK RELEVAN Population bulletin: Resources, environment, and population. Washington, D.C.: Population Reference Bureau, Inc, 1979. Text.

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Population Reference Bureau, Inc.. TIDAK RELEVAN Population bulletin: Resources, environment, and population. Washington, D.C.: Population Reference Bureau, Inc, 1979. Text.

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Population Reference Bureau, Inc.. TIDAK RELEVAN Population bulletin: Resources, environment, and population. Washington, D.C.: Population Reference Bureau, Inc, 1979. Print.