APA ציטוט

Hanley,Nick. (1997). Environmental economics: : in theory and practice. Macmillan.

Chicago Edition Citation

Hanley,Nick. Environmental Economics: : In Theory and Practice. Chennai: Macmillan, 1997.

ציטוט MLA

Hanley,Nick. Environmental Economics: : In Theory and Practice. Macmillan, 1997.