Gale Group, Hackney Blackwell, A., & Manar, E. P. (2016). U-X-L encyclopedia of weather and natural disasters (Second edition.). U-X-L, a part of Gale Cengage Learning.
Chicago-viite (17. p.)Gale Group, Amy Hackney Blackwell, ja Elizabeth P. Manar. U-X-L Encyclopedia of Weather and Natural Disasters. Second edition. Farmington Hills, Michigan: U-X-L, a part of Gale Cengage Learning, 2016.
MLA-viite (9. p.)Gale Group, et al. U-X-L Encyclopedia of Weather and Natural Disasters. Second edition. U-X-L, a part of Gale Cengage Learning, 2016.
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