एपीए उद्धरण

Gillespie, A., & Alexander Gillespie. (1997). International environmental law policy and ethics. Auckland [N.Z.],Oxford [England]: Clarendon Press,Oxford University Press.

शिकागो स्टाइल उद्धरण

Gillespie, Alexander, और Alexander Gillespie. International Environmental Law Policy and Ethics. Auckland [N.Z.],Oxford [England]: Clarendon Press,Oxford University Press, 1997.

एमएलए उद्धरण

Gillespie, Alexander, और Alexander Gillespie. International Environmental Law Policy and Ethics. Auckland [N.Z.],Oxford [England]: Clarendon Press,Oxford University Press, 1997.