Παραπομπή σε μορφή APA (7η εκδ.)

Hillary, R. (2000). Small and medium-sized enterprises and the environment: Business imperatives. Greenleaf Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hillary, Ruth. Small and Medium-sized Enterprises and the Environment: Business Imperatives. Sheffield: Greenleaf Publishing, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hillary, Ruth. Small and Medium-sized Enterprises and the Environment: Business Imperatives. Greenleaf Publishing, 2000.