APA

Woodward، John, . (1988). The illustrated Encyclopedia of wildlife. London: Orbis.

Chicago

Woodward، John, . 1988. The illustrated Encyclopedia of wildlife. London: Orbis.

Harvard

Woodward، John, . (1988). The illustrated Encyclopedia of wildlife. London: Orbis.

MLA

Woodward، John, . The illustrated Encyclopedia of wildlife. London: Orbis. 1988.