Fraser, M. W., & Galinsky, M. J. Steps in intervention research: Designing and developing social programs.
Chicago Style aipamenaFraser, Mark W., và Maeda J. Galinsky. Steps in Intervention Research: Designing and Developing Social Programs.
MLA aipamenaFraser, Mark W., và Maeda J. Galinsky. Steps in Intervention Research: Designing and Developing Social Programs.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.