APA (7th ed.) Zitazioa

Sagrera, M. (1990). Sex, population and politics. Fundamentos.

Chicago Style (17th ed.) Zitazioa

Sagrera, Martín. Sex, Population and Politics. Madrid: Fundamentos, 1990.

MLA (9th ed.) Zitazioa

Sagrera, Martín. Sex, Population and Politics. Fundamentos, 1990.