Philip R. Cateora ... [et al. Philip G. Altbach ... [et al.] Philip R. Cateora, John L. Graham. Philip R. Cateora, John L. Graham Philip Kotler ... [et al.] Philip Kotler ... etc. Philip R. Cateora and John M. Hess. Philippe Courtet, et al. Philip Kotler ... [et. Simon R. Chapple ... [et al.