Cita APA

Tietze, C. 1., & Lewit, S. (1970). Statistical evaluation of contraceptive methods: Use-effectiveness and extended use-effectiveness. Santiago, Chile: CELADE.

Citación estilo Chicago

Tietze, Christopher 1908-1984, y Sarah Lewit. Statistical Evaluation of Contraceptive Methods: Use-effectiveness and Extended Use-effectiveness. Santiago, Chile: CELADE, 1970.

Cita MLA

Tietze, Christopher 1908-1984, y Sarah Lewit. Statistical Evaluation of Contraceptive Methods: Use-effectiveness and Extended Use-effectiveness. Santiago, Chile: CELADE, 1970.