APA
Locke Anderson W. A. P. W. S., . (1986). Economics. : .
Chicago
Locke Anderson W.H Ann Putallaz William Shepherd, . 1986. Economics. : .
Harvard
Locke Anderson W. A. P. W. S., . (1986). Economics. : .
MLA
Locke Anderson W.H Ann Putallaz William Shepherd, . Economics. : . 1986.