Daniel Botkin. (2000). Environmental science. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoDaniel Botkin. Environmental Science. New York: John Wiley and Sons, 2000.
MLA引文Daniel Botkin. Environmental Science. New York: John Wiley and Sons, 2000.
警告:這些引文格式不一定是100%准確.