Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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