Nentwig, J. (1983). Chemistry made easy: : a programmed course for self instruction .Pt.I. Verlag chemie.
Chicago Edition CitationNentwig, J. Chemistry Made Easy: : A Programmed Course for Self Instruction .Pt.I. Weinheim: Verlag chemie, 1983.
MLA Edition CitationNentwig, J. Chemistry Made Easy: : A Programmed Course for Self Instruction .Pt.I. Verlag chemie, 1983.
Warning: These citations may not always be 100% accurate.