APA ציטוט

HEATHFIELD, D. (1992). Modern Economics David Heathfield, Mark Russel. Harvester Wheatsheaf.

Chicago Style (17th ed.) Citation

HEATHFIELD, David. Modern Economics David Heathfield, Mark Russel. Harvester Wheatsheaf, 1992.

ציטוט MLA

HEATHFIELD, David. Modern Economics David Heathfield, Mark Russel. Harvester Wheatsheaf, 1992.