Lua APA (7ú heag.)
SEDDON, T. (2005). PAYING DRUG USERS TO TAKE PART IN RESEARCH: JUSTICE, HUMAN RIGHTS AND BUSINESS PERSPECTIVES ON THE USE OF INCENTIVE PAYMENTS.
Lua i Stíl Chicago (17ú heag.)
SEDDON, T. PAYING DRUG USERS TO TAKE PART IN RESEARCH: JUSTICE, HUMAN RIGHTS AND BUSINESS PERSPECTIVES ON THE USE OF INCENTIVE PAYMENTS. 2005.
Lua MLA (9ú heag.)
SEDDON, T. PAYING DRUG USERS TO TAKE PART IN RESEARCH: JUSTICE, HUMAN RIGHTS AND BUSINESS PERSPECTIVES ON THE USE OF INCENTIVE PAYMENTS. 2005.
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