1. Blood money: blood donors' attitudes to changes in the New Zealand blood transfusion service
2. 4 P Langrish : Results of HIV-1/HIV-2 antibody testing in California blood banks and plasma centres, fourth quarter . 1994 Office of AIDS, California Department of Health Services, 1995 .
3. 5 P Kotler, P Chandler, R Gibbs, and R McColl : Marketing in Australia . Brookvale, Prentice-Hall, 1989 .