Dyfyniad APA

Nagin, D. (2005). Group-based modeling of development. Harvard University Press.

Dyfyniad Arddull Chicago

Nagin, Daniel. Group-based Modeling of Development. Cambridge, Mass.: Harvard University Press, 2005.

Dyfyniad MLA

Nagin, Daniel. Group-based Modeling of Development. Harvard University Press, 2005.

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