APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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