APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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