Dyfyniad APA

Fenson, L., Tomasello, M., Mervis, C. B., & Stiles, J. (1994). Variability in early communicative development. Society for Research in Child Development.

Dyfyniad Arddull Chicago

Fenson, Larry, Michael Tomasello, Carolyn B. Mervis, and Joan Stiles. Variability in Early Communicative Development. Chicago, Ill: Society for Research in Child Development, 1994.

Dyfyniad MLA

Fenson, Larry, et al. Variability in Early Communicative Development. Society for Research in Child Development, 1994.

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