PARRAGON BOOKS LTD. (2016). CHILDREN'S SCIENCE ENCYCLOPEDIA. PARRAGON BOOKS LTD.
芝加哥风格引文PARRAGON BOOKS LTD. CHILDREN'S SCIENCE ENCYCLOPEDIA. UK: PARRAGON BOOKS LTD, 2016.
MLA引文PARRAGON BOOKS LTD. CHILDREN'S SCIENCE ENCYCLOPEDIA. PARRAGON BOOKS LTD, 2016.
警告：这些引文格式不一定是100％准确.