Hoyle, F. (1975). Astronomy and cosmology: A modern course. San Francisco : W H Freeman.
芝加哥风格引文Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.
MLA引文Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.
警告：这些引文格式不一定是100％准确.