1. Australian Food Standards, 1997, Australian Government Publishing Service, Canberra
2. The active constituents of raspberry leaves;Beckett;Journal of Pharmacy and Pharmacology,1954
3. Herbal drugs and Phytopharamceuticals;Bissett,1994
4. The Complete Commission German E Mongraphs;Blumenthal,1998
5. Antibacterial activity of plant extracts used externally in traditional medicine;Brantner;Journal of Ethnopharmacology,1994