Discovery Channel. Discovery Bugopedia: The Complete Guide to Everything Insect Plus Other Creepy-Crawlies.
Chicago-viite (17. p.)Discovery Channel. Discovery Bugopedia: The Complete Guide to Everything Insect Plus Other Creepy-Crawlies.
MLA-viite (9. p.)Discovery Channel. Discovery Bugopedia: The Complete Guide to Everything Insect Plus Other Creepy-Crawlies.
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