Sam, P. A. (1999). International environmental consulting practice. How and where to take advantage of global opportunities ([1st ed.].). John Wiley & Sons.
Citácia podle Chicago (17th ed.)Sam, Peter A. International Environmental Consulting Practice. How and Where to Take Advantage of Global Opportunities. [1st ed.]. New York: John Wiley & Sons, 1999.
Citácia podľa MLA (8th ed.)Sam, Peter A. International Environmental Consulting Practice. How and Where to Take Advantage of Global Opportunities. [1st ed.]. John Wiley & Sons, 1999.
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