Spencer, D. C. (1985). Selecta. Philadenphia ; Singapore: World Scientific.
Trích dẫn kiểu ChicagoSpencer, Donald C. Selecta. Philadenphia ; Singapore: World Scientific, 1985.
MLA引文Spencer, Donald C. Selecta. Philadenphia ; Singapore: World Scientific, 1985.
警告：这些引文格式不一定是100％准确.