APA (7. basım) Alıntı

Leftwich, R. H. (1980). Economics of social issues. Business Pub..

Chicago Style (17. basım) Atıf

Leftwich, Richard H. Economics of Social Issues. Dallas: Business Pub., 1980.

MLA (9th ed.) Atıf

Leftwich, Richard H. Economics of Social Issues. Business Pub., 1980.