APA-čujuhus (7. p.)
Seltzer, R., & Ochs, H. L. (2010). Gratuity: A contextual understanding of tipping norms from the perspective of tipped employees. Rowman & Littlefield.
Chicago-čujuhus (17. p.)
Seltzer, Richard, juo Holona LeAnne Ochs. Gratuity: A Contextual Understanding of Tipping Norms from the Perspective of Tipped Employees. Lanham, Md.: Rowman & Littlefield, 2010.
MLA-čujuhus (9. p.)
Seltzer, Richard, juo Holona LeAnne Ochs. Gratuity: A Contextual Understanding of Tipping Norms from the Perspective of Tipped Employees. Rowman & Littlefield, 2010.
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