APA (7. basım) Alıntı

Leftwich, R. H. (1982). Economics of social issues. Business Pub.

Chicago Style (17. basım) Atıf

Leftwich, Richard H. Economics of Social Issues. Planto: Business Pub, 1982.

MLA (9th ed.) Atıf

Leftwich, Richard H. Economics of Social Issues. Business Pub, 1982.