Tohutoro APA (7th ed.)
Azeiteiro, U., Leal Filho, W., & Caeiro, S. (2014). E-learning and education for sustainability. PL Academic Research.
Tohutoru Kātū Chicago (17th ed.)
Azeiteiro, Ulisses, Walter Leal Filho, me Sandra Caeiro. E-learning and Education for Sustainability. Frankfurt am Main, [Germany]: PL Academic Research, 2014.
Tohutoro MLA (9th ed.)
Azeiteiro, Ulisses, et al. E-learning and Education for Sustainability. PL Academic Research, 2014.
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