Cita APA

Hardwick, P., Langmead, J., & Khan, B. (1990). An introduction to modern economics (3rd ed.). London: Longman.

Citación estilo Chicago

Hardwick, Philip, John Langmead, and Bahadur Khan. An Introduction to Modern Economics. 3rd ed. London: Longman, 1990.

Cita MLA

Hardwick, Philip, John Langmead, and Bahadur Khan. An Introduction to Modern Economics. 3rd ed. London: Longman, 1990.