Zipper, I. N., Weil, M., & Rounds, K. (1993). Service coordination for early intervention: Parents & professionals. Brookline Books.
Chicago Style (17th ed.) CitationZipper, Irene Nathan, Marie Weil, and Kathleen Rounds. Service Coordination for Early Intervention: Parents & Professionals. Cambridge, Mass: Brookline Books, 1993.
MLA (9th ed.) CitationZipper, Irene Nathan, et al. Service Coordination for Early Intervention: Parents & Professionals. Brookline Books, 1993.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.