Tohutoro APA (7th ed.)
ebrary, Inc, & Birkelund, G. E. (2013). Class and stratification analysis. Emerald.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Gunn Elisabeth Birkelund. Class and Stratification Analysis. Bingley: Emerald, 2013.
Tohutoro MLA (9th ed.)
ebrary, Inc, me Gunn Elisabeth Birkelund. Class and Stratification Analysis. Emerald, 2013.
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