Gaya APA

Bach, G, L., Buch, F, E. (1977). Economics : an introductation to analysis and policy (9th.ed.). New Delhi: Prentice Hall of India.

Gaya MLA

Bach, George, Leland.., Buch, Frank, E.. "Economics : an introductation to analysis and policy". 9th.ed. New Delhi: Prentice Hall of India, 1977. Text.