Lua APA (7ú heag.)
ebrary, Inc, Lee, N., & Broderick, A. J. (2007). Developments in human observation methodologies. Emerald Group Publishing.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Nick Lee, agus Amanda J. Broderick. Developments in Human Observation Methodologies. Bradford, England: Emerald Group Publishing, 2007.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Developments in Human Observation Methodologies. Emerald Group Publishing, 2007.
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