एपीए उद्धरण

Ward, T., & Philips, B. (2008). Seafood ecolabelling: Principles and practice. Wiley-Blackwell.

शिकागो स्टाइल उद्धरण

Ward, Trevor, और Bruce Philips. Seafood Ecolabelling: Principles and Practice. Chichester: Wiley-Blackwell, 2008.

एमएलए उद्धरण

Ward, Trevor, और Bruce Philips. Seafood Ecolabelling: Principles and Practice. Wiley-Blackwell, 2008.