APA引文

HALCROW, H. G. (1980). Economics of agriculture. McGraw-Hill.

Chicago Style (17th ed.) Citation

HALCROW, Harold G. Economics of Agriculture. New York: McGraw-Hill, 1980.

MLA引文

HALCROW, Harold G. Economics of Agriculture. McGraw-Hill, 1980.

警告：這些引文格式不一定是100％准確.