NUNN DANIEL. (2019). ALL ABOUT DINOSAURUS - BRACHIOSAURUAS (2015 Ed.). RAINTREE PUBLISHERS.
芝加哥风格引文NUNN DANIEL. ALL ABOUT DINOSAURUS - BRACHIOSAURUAS. 2015 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
MLA引文NUNN DANIEL. ALL ABOUT DINOSAURUS - BRACHIOSAURUAS. 2015 Ed. RAINTREE PUBLISHERS, 2019.
警告：这些引文格式不一定是100％准确.