APA-viite (7. p.)
ebrary, Inc, & Butler, R. (2006). Conceptual and Theoretical Issues. Channel View Publications.
Chicago-viite (17. p.)
ebrary, Inc, ja Richard Butler. Conceptual and Theoretical Issues. Clevedon ; Buffalo: Channel View Publications, 2006.
MLA-viite (9. p.)
ebrary, Inc, ja Richard Butler. Conceptual and Theoretical Issues. Channel View Publications, 2006.
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