APA সাইটেশন

Gilbert, L., & Gale, V. (2008). Principles of e-learning systems engineering. Chandos Publishing.

শিকাগো স্টাইলে সাইটেশন

Gilbert, Lester, এবং Veronica Gale. Principles of E-learning Systems Engineering. Oxford: Chandos Publishing, 2008.

এমএলএ সাইটেশন

Gilbert, Lester, এবং Veronica Gale. Principles of E-learning Systems Engineering. Chandos Publishing, 2008.