Cita APA (7th ed.)

Lipsey, R. G., Langley, P. C., & Mahoney, D. M. (1985). Positive economics for Australian students (2nd ed.). Weidenfeld and Nicolson ; distributed by Hodder and Stoughton.

Cita Chicago (17th ed.)

Lipsey, Richard G., Paul C. Langley, i Dennis M. Mahoney. Positive Economics for Australian Students. 2nd ed. London : [Melbourne]: Weidenfeld and Nicolson ; distributed by Hodder and Stoughton, 1985.

Cita MLA (8th ed.)

Lipsey, Richard G., et al. Positive Economics for Australian Students. 2nd ed. Weidenfeld and Nicolson ; distributed by Hodder and Stoughton, 1985.