FIREFLY BOOKS. (2013). FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS.
Chicago Style (17th ed.) CitationFIREFLY BOOKS. FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS, 2013.
MLA引文FIREFLY BOOKS. FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS, 2013.
警告:這些引文格式不一定是100%准確.