Tohutoro APA (7th ed.)
Surkyn, J., Deboosere, P., Bavel, J. V., Willekens, F., & Koloriet, S. (2008). Demographic challenges for the 21st century: A state of the art in demography : conference organized as a tribute to the continuing endeavours of Prof. Dr. Em. Ron Lesthaeghe in the field of demography. VUBPress.
Tohutoru Kātū Chicago (17th ed.)
Surkyn, J., Patrick Deboosere, Jan Van Bavel, Frans Willekens, me Sterrebeek Koloriet. Demographic Challenges for the 21st Century: A State of the Art in Demography : Conference Organized as a Tribute to the Continuing Endeavours of Prof. Dr. Em. Ron Lesthaeghe in the Field of Demography. Brussels, Belgium: VUBPress, 2008.
Tohutoro MLA (9th ed.)
Surkyn, J., et al. Demographic Challenges for the 21st Century: A State of the Art in Demography : Conference Organized as a Tribute to the Continuing Endeavours of Prof. Dr. Em. Ron Lesthaeghe in the Field of Demography. VUBPress, 2008.
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