(1995). Changes in ecosystems. Macmillan/McGraw-Hill.
Trích dẫn kiểu ChicagoChanges in Ecosystems. Macmillan/McGraw-Hill, 1995.
MLA引文Changes in Ecosystems. Macmillan/McGraw-Hill, 1995.
警告：这些引文格式不一定是100％准确.
APA引文
(1995). Changes in ecosystems. Macmillan/McGraw-Hill.
Trích dẫn kiểu ChicagoChanges in Ecosystems. Macmillan/McGraw-Hill, 1995.
MLA引文Changes in Ecosystems. Macmillan/McGraw-Hill, 1995.