Perseus Books Group

Harper Collins Publishers, Peggy Cohen-Kettenis, A.K. Slob, W.T.A.M. Everaerd, J.P.C. Moors, Perseus Books Group, C.W. Vink, C.J. Straver, R. Stoeckart, M.A.C.T. Moors-Mommers, J.A.R.A.M. van Hooff, G.J. Bolle, J.J. Drenth, H.W. van Lunsen, M.A. Emmelkamp-Keizer, D.J. van Beek, J.J.D.M. van Lankveld