Snyder. (1997). Earth Science. New York: Mcgraw - Hill.
Trích dẫn kiểu ChicagoSnyder. Earth Science. New York: Mcgraw - Hill, 1997.
MLA引文Snyder. Earth Science. New York: Mcgraw - Hill, 1997.
警告：这些引文格式不一定是100％准确.
APA引文
Snyder. (1997). Earth Science. New York: Mcgraw - Hill.
Trích dẫn kiểu ChicagoSnyder. Earth Science. New York: Mcgraw - Hill, 1997.
MLA引文Snyder. Earth Science. New York: Mcgraw - Hill, 1997.