General Certificate of Secondary Education & Suffolk County Council. (1987). Co-ordinated science lesson notes: Biology. Collins Educational.
芝加哥风格引文General Certificate of Secondary Education 与 Suffolk County Council. Co-ordinated Science Lesson Notes: Biology. London: Collins Educational, 1987.
MLA引文General Certificate of Secondary Education 与 Suffolk County Council. Co-ordinated Science Lesson Notes: Biology. Collins Educational, 1987.
警告：这些引文格式不一定是100％准确.