MADHUBUN EDUCATIONAL BOOKS. (2014). EARTHTREK MAP PRACTICE BOOK- 7. MADHUBUN EDUCATIONAL BOOKS.
芝加哥风格引文MADHUBUN EDUCATIONAL BOOKS. EARTHTREK MAP PRACTICE BOOK- 7. MADHUBUN EDUCATIONAL BOOKS, 2014.
MLA引文MADHUBUN EDUCATIONAL BOOKS. EARTHTREK MAP PRACTICE BOOK- 7. MADHUBUN EDUCATIONAL BOOKS, 2014.
警告：这些引文格式不一定是100％准确.