Hartley, S. F. (1972). Population: Quantity vs quality : a sociological examination of the causes and consequences of the population explosion. Prentice-Hall.
Chicago Style (17. basım) AtıfHartley, Shirley Foster. Population: Quantity Vs Quality : A Sociological Examination of the Causes and Consequences of the Population Explosion. Englewood Cliffs, N. J: Prentice-Hall, 1972.
MLA (9th ed.) AtıfHartley, Shirley Foster. Population: Quantity Vs Quality : A Sociological Examination of the Causes and Consequences of the Population Explosion. Prentice-Hall, 1972.
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