Engelfried, J. (2011). Nachhaltiges Umweltmanagement (2nd ed.). De Gruyter.
Chicago Style (17th ed.) CitationEngelfried, Justus. Nachhaltiges Umweltmanagement. 2nd ed. München: De Gruyter, 2011.
MLA (9th ed.) CitationEngelfried, Justus. Nachhaltiges Umweltmanagement. 2nd ed. De Gruyter, 2011.
Warning: These citations may not always be 100% accurate.