🌐EnglishEnglishEspañolFrançaisPortuguêsالعربيةفارسیไทย한국어中文日本語EntityQ11160285· pop 20Template:Please check ISBNUsed to mark stand-alone ISBNs that may not be valid. For a fuller explanation see Category:Articles with invalid ISBNsCategoriesInline citation cleanup templatesInternational Standard Book Number templatesTemplates not safe for use in citation templates