Tibballs,Geoff. (2007). Ripley's believe it or not: The remarkable revealed. Ripley pub.
シカゴスタイル引用形Tibballs,Geoff. Ripley's Believe It or Not: The Remarkable Revealed. Orlando: Ripley pub, 2007.
MLA引用形式Tibballs,Geoff. Ripley's Believe It or Not: The Remarkable Revealed. Ripley pub, 2007.
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