Dyfyniad APA

3G E-learning. (2022). Modern environmental disasters. 3G E-learning.

Dyfyniad Arddull Chicago

3G E-learning. Modern Environmental Disasters. New York, NY: 3G E-learning, 2022.

Dyfyniad MLA

3G E-learning. Modern Environmental Disasters. 3G E-learning, 2022.

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