Friss, I., Hajdu, G., .Morvay, P., & .Racz, J. (1971). Economic Laws, Policy, Planning L. Akademiai Kiado.
Citace podle Chicago (17th ed.)Friss, Istvan, Gy Hajdu, P. .Morvay, a J. .Racz. Economic Laws, Policy, Planning L. Budapest: Akademiai Kiado, 1971.
Citace podle MLA (9th ed.)Friss, Istvan, et al. Economic Laws, Policy, Planning L. Akademiai Kiado, 1971.