Παραπομπή APA

UNFPA Vietnam. (2009). Recent change in the sex ratio at birth in Viet Nam: A review of evidence. Ha Noi: mimh họa.

Παραπομπή Chicago Style

UNFPA Vietnam. Recent Change in the Sex Ratio At Birth in Viet Nam: A Review of Evidence. Ha Noi: mimh họa, 2009.

Παραπομπή MLA

UNFPA Vietnam. Recent Change in the Sex Ratio At Birth in Viet Nam: A Review of Evidence. Ha Noi: mimh họa, 2009.

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