एपीए उद्धरण

Wagner,Sigmund A. (2003). Understanding green consumer behaviour: A qualitative cognitive approach. Routledge.

शिकागो स्टाइल उद्धरण

Wagner,Sigmund A. Understanding Green Consumer Behaviour: A Qualitative Cognitive Approach. London: Routledge, 2003.

एमएलए उद्धरण

Wagner,Sigmund A. Understanding Green Consumer Behaviour: A Qualitative Cognitive Approach. Routledge, 2003.