Neef, S., Ketelaar, E., & van Dijck, J. (2006). Sign Here!: Handwriting in the Age of New Media. Amsterdam University Press.
Chicago Style (17. basım) AtıfNeef, Sonja, Eric Ketelaar, ve José van Dijck. Sign Here!: Handwriting in the Age of New Media. Amsterdam University Press, 2006.
MLA (9th ed.) AtıfNeef, Sonja, et al. Sign Here!: Handwriting in the Age of New Media. Amsterdam University Press, 2006.
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