Weeks, J. R. (2002). Population: An introduction to concepts and issues (Eight edition.). Wadsworth/Thomson Learning.
Citação norma ChicagoWeeks, John Robert. Population: An Introduction to Concepts and Issues. Eight edition. Belmont, California: Wadsworth/Thomson Learning, 2002.
Citação norma MLAWeeks, John Robert. Population: An Introduction to Concepts and Issues. Eight edition. Wadsworth/Thomson Learning, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.