APA (7 ম সংস্করণ) উদ্ধৃতি

Azeiteiro, U., Leal Filho, W., & Caeiro, S. (2014). E-learning and education for sustainability. PL Academic Research.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Azeiteiro, Ulisses, Walter Leal Filho, এবং Sandra Caeiro. E-learning and Education for Sustainability. Frankfurt am Main, [Germany]: PL Academic Research, 2014.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Azeiteiro, Ulisses, et al. E-learning and Education for Sustainability. PL Academic Research, 2014.