United States. Bureau of the Census, Jamison, E., Gardiner, P., & Huguet, J. W. (1971). The two-child family and population growth: An international view [by Ellen Jamison, Peter Gardiner, and Jerrold W. Huguet. U.S. Government Printing Office.

United States. Bureau of the Census, Ellen Jamison, Peter Gardiner, and Jerrold W. Huguet. The Two-child Family and Population Growth: An International View [by Ellen Jamison, Peter Gardiner, and Jerrold W. Huguet. Washington: U.S. Government Printing Office, 1971.

United States. Bureau of the Census, et al. The Two-child Family and Population Growth: An International View [by Ellen Jamison, Peter Gardiner, and Jerrold W. Huguet. U.S. Government Printing Office, 1971.