Gilbert, L., & Gale, V. (2008). Principles of e-learning systems engineering. Chandos Publishing.
استشهاد بنمط شيكاغوGilbert, Lester, و Veronica Gale. Principles of E-learning Systems Engineering. Oxford: Chandos Publishing, 2008.
MLA استشهادGilbert, Lester, و Veronica Gale. Principles of E-learning Systems Engineering. Chandos Publishing, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.