APA-ийн эшлэл(7 дахь хэвлэлт)

Edwards, C. A. (1993). Agriculture and the environment: Papers presented at the International Conference on Agriculture and the Environment, 10-13 november 1991. Elsevier.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Edwards, Clive A. Agriculture and the Environment: Papers Presented at the International Conference on Agriculture and the Environment, 10-13 November 1991. Amsterdam: Elsevier, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Edwards, Clive A. Agriculture and the Environment: Papers Presented at the International Conference on Agriculture and the Environment, 10-13 November 1991. Elsevier, 1993.