Citazione APA

Schumburg, G. J. (1999). Dutch standards and guide lines for MBA in the 90s and beyond. s.n.].

Stile di citazione Chicago

Schumburg, Gunther John. Dutch Standards and Guide Lines for MBA in the 90s and Beyond. [S.l.: s.n.], 1999.

Citazione MLA

Schumburg, Gunther John. Dutch Standards and Guide Lines for MBA in the 90s and Beyond. s.n.], 1999.