APA-ийн эшлэл(7 дахь хэвлэлт)

Wadebridge Ecological Centre. (1979). The ecologist. Ecosystems Ltd. ; Distributed in North America by the MIT Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Wadebridge Ecological Centre. The Ecologist. Wadebridge, Cornwall, UK : Cambridge, MA: Ecosystems Ltd. ; Distributed in North America by the MIT Press, 1979.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Wadebridge Ecological Centre. The Ecologist. Ecosystems Ltd. ; Distributed in North America by the MIT Press, 1979.