Carl E Rischer. (1995). Focus on Human Biology. New York: Harper Collins.
Trích dẫn kiểu ChicagoCarl E Rischer. Focus On Human Biology. New York: Harper Collins, 1995.
MLA引文Carl E Rischer. Focus On Human Biology. New York: Harper Collins, 1995.
警告:这些引文格式不一定是100%准确.