APA (7e ed.) Bronvermelding

Elkington, J., & Hailes, J. (1989). The green consumer's super-market shopping guide: Shelf by shelf recommendations for products which don't cost the earth. Victor Gollancz.

Chicago (17e ed.) Bronvermelding

Elkington, John, en Julia Hailes. The Green Consumer's Super-market Shopping Guide: Shelf by Shelf Recommendations for Products Which Don't Cost the Earth. London: Victor Gollancz, 1989.

MLA (9e ed.) Bronvermelding

Elkington, John, en Julia Hailes. The Green Consumer's Super-market Shopping Guide: Shelf by Shelf Recommendations for Products Which Don't Cost the Earth. Victor Gollancz, 1989.