APA
HUNT E. K., SHERMAN H. J., . (1978). Economics. New Yoek: Harper.
Chicago
HUNT E K, SHERMAN H J, . 1978. Economics. New Yoek: Harper.
Harvard
HUNT E. K., SHERMAN H. J., . (1978). Economics. New Yoek: Harper.
MLA
HUNT E K, SHERMAN H J, . Economics. New Yoek: Harper. 1978.
