एपीए उद्धरण

Morris, A. S. (2004). ISO 14000 environmental management standards: Engineering and financial aspects. John Wiley & Sons.

शिकागो स्टाइल उद्धरण

Morris, Alan S. ISO 14000 Environmental Management Standards: Engineering and Financial Aspects. England: John Wiley & Sons, 2004.

एमएलए उद्धरण

Morris, Alan S. ISO 14000 Environmental Management Standards: Engineering and Financial Aspects. John Wiley & Sons, 2004.