MLA
Varela, Aida and Marilene Lobo Abreu Barbosa. "The Complexity of Finding Information in Collaborative Information Systems: Cognitive Needs." Systems Science and Collaborative Information Systems: Theories, Practices and New Research. IGI Global, 2012. 87-120. Web. 24 Apr. 2018. doi:10.4018/978-1-61350-201-3.ch005
APA
Varela, A., & Barbosa, M. L. (2012). The Complexity of Finding Information in Collaborative Information Systems: Cognitive Needs. In E. Currás, & N. Lloret Romero (Eds.), Systems Science and Collaborative Information Systems: Theories, Practices and New Research (pp. 87-120). Hershey, PA: IGI Global. doi:10.4018/978-1-61350-201-3.ch005
Chicago
Varela, Aida and Marilene Lobo Abreu Barbosa. "The Complexity of Finding Information in Collaborative Information Systems: Cognitive Needs." In Systems Science and Collaborative Information Systems: Theories, Practices and New Research, ed. Emilia Currás and Nuria Lloret Romero, 87-120 (2012), accessed April 24, 2018. doi:10.4018/978-1-61350-201-3.ch005
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