APA引文

I R Calder. (1998). Water - resource and land-use issues. Srilanka: IWMI(International Water Management Institute).

Trích dẫn kiểu Chicago

I R Calder. Water - Resource and Land-use Issues. Srilanka: IWMI(International Water Management Institute), 1998.

MLA引文

I R Calder. Water - Resource and Land-use Issues. Srilanka: IWMI(International Water Management Institute), 1998.

警告：这些引文格式不一定是100％准确.