Bargar, M., & Gardiner, P. (1971). Population of Peru: estimates and projections: 1962-2002, by Martha Bargar and Peter Gardiner. U. S. Government Printing Office.
Citace podle Chicago (17th ed.)Bargar, Martha, a Peter Gardiner. Population of Peru: Estimates and Projections: 1962-2002, by Martha Bargar and Peter Gardiner. Washington: U. S. Government Printing Office, 1971.
Citace podle MLA (9th ed.)Bargar, Martha, a Peter Gardiner. Population of Peru: Estimates and Projections: 1962-2002, by Martha Bargar and Peter Gardiner. U. S. Government Printing Office, 1971.
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