APA aipamena

Hardwick, P., Khan, B., & Langmead, J. (1986). An introduction to modern economics (Ed.2.).

Chicago Style aipamena

Hardwick, Philip, Bahadur Khan, and John Langmead. An Introduction to Modern Economics. Ed.2. English Language Book Society, 1986.

MLA aipamena

Hardwick, Philip, et al. An Introduction to Modern Economics. Ed.2. 1986.