Cita APA

Oberle, M. W., & Rosero Bixby, L. (1989). Fertility change in Costa Rica 1960-84: Analysis of retrospective lifetime reproductive histories.

Citación estilo Chicago

Oberle, Mark W., y Luis Rosero Bixby. Fertility Change in Costa Rica 1960-84: Analysis of Retrospective Lifetime Reproductive Histories. 1989.

Cita MLA

Oberle, Mark W., y Luis Rosero Bixby. Fertility Change in Costa Rica 1960-84: Analysis of Retrospective Lifetime Reproductive Histories. 1989.