Angela Royston. (2003). Heavy and Light (Heinemann First Library). Heinemann/Raintree.
芝加哥风格引文Angela Royston. Heavy and Light (Heinemann First Library). Heinemann/Raintree, 2003.
MLA引文Angela Royston. Heavy and Light (Heinemann First Library). Heinemann/Raintree, 2003.
警告：这些引文格式不一定是100％准确.