Style de citation APA (7e éd.)

Hardwick, P., & Langmead, J. a. K. B. (1999). An introduction to modern economics (5th ed.). Prentice Hall.

Style de citation Chicago (17e éd.)

Hardwick, Philip, et John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Harlow, England: Prentice Hall, 1999.

Style de citation MLA (9e éd.)

Hardwick, Philip, et John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Prentice Hall, 1999.