(1993). Just past the possible. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoJust Past the Possible. New York: McGraw-Hill, 1993.
MLA引文Just Past the Possible. New York: McGraw-Hill, 1993.
警告：這些引文格式不一定是100％准確.
APA引文
(1993). Just past the possible. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoJust Past the Possible. New York: McGraw-Hill, 1993.
MLA引文Just Past the Possible. New York: McGraw-Hill, 1993.