Siason, I. M. L. (1997). Volunteers and nonvolunteers: Differences on moral and social norms, role identity and responsibility. Danyag : Journal of Humanities and Social Sciences.
Citace podle Chicago (17th ed.)Siason, Ida M. L. "Volunteers and Nonvolunteers: Differences on Moral and Social Norms, Role Identity and Responsibility." Danyag : Journal of Humanities and Social Sciences 1997.
Citace podle MLA (9th ed.)Siason, Ida M. L. "Volunteers and Nonvolunteers: Differences on Moral and Social Norms, Role Identity and Responsibility." Danyag : Journal of Humanities and Social Sciences, 1997.
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