APA
Claessens S., Coleman J. j. a., . (1991). Hedging commodity price risks in Papua New Guinea. Washington, DC: The World Bank.
Chicago
Claessens Stijn, Coleman Jonathan jt author, . 1991. Hedging commodity price risks in Papua New Guinea. Washington, DC: The World Bank.
Harvard
Claessens S., Coleman J. j. a., . (1991). Hedging commodity price risks in Papua New Guinea. Washington, DC: The World Bank.
MLA
Claessens Stijn, Coleman Jonathan jt author, . Hedging commodity price risks in Papua New Guinea. Washington, DC: The World Bank. 1991.